Home / 26,505,615.40-39,758,423.10-19,703,170.60

Finding the Fourth Proportional to 26,505,615.40, 39,758,423.10 and 19,703,170.60

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Solution

The fourth proportional to 26,505,615.40, 39,758,423.10 and 19,703,170.60 is: 29,554,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505,615.40 : 39,758,423.10 = 19,703,170.60 : x
  2. Step 2: Convert to fraction form
    26,505,615.40/39,758,423.10 = 19,703,170.60/x
  3. Step 3: Cross multiply
    26,505,615.40x = 39,758,423.10 × 19,703,170.60
  4. Step 4: Simplify right side
    26,505,615.40x = 783,366,993,126,281
  5. Step 5: Solve for x
    x = 783,366,993,126,281/26,505,615.40
  6. Step 6: Final answer
    x = 29,554,755.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.