Home / 27,353,213.19-37,703,638.22-18,529,980.39

Finding the Fourth Proportional to 27,353,213.19, 37,703,638.22 and 18,529,980.39

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Solution

The fourth proportional to 27,353,213.19, 37,703,638.22 and 18,529,980.39 is: 25,541,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,353,213.19 : 37,703,638.22 = 18,529,980.39 : x
  2. Step 2: Convert to fraction form
    27,353,213.19/37,703,638.22 = 18,529,980.39/x
  3. Step 3: Cross multiply
    27,353,213.19x = 37,703,638.22 × 18,529,980.39
  4. Step 4: Simplify right side
    27,353,213.19x = 698,647,676,755,604.75
  5. Step 5: Solve for x
    x = 698,647,676,755,604.75/27,353,213.19
  6. Step 6: Final answer
    x = 25,541,704.07

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.