Home / 20,062,103.56-27,694,178.85-13,544,561.68

Finding the Fourth Proportional to 20,062,103.56, 27,694,178.85 and 13,544,561.68

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Solution

The fourth proportional to 20,062,103.56, 27,694,178.85 and 13,544,561.68 is: 18,697,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062,103.56 : 27,694,178.85 = 13,544,561.68 : x
  2. Step 2: Convert to fraction form
    20,062,103.56/27,694,178.85 = 13,544,561.68/x
  3. Step 3: Cross multiply
    20,062,103.56x = 27,694,178.85 × 13,544,561.68
  4. Step 4: Simplify right side
    20,062,103.56x = 375,105,513,610,776.50
  5. Step 5: Solve for x
    x = 375,105,513,610,776.50/20,062,103.56
  6. Step 6: Final answer
    x = 18,697,217.49

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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.