Home / 13,720,734.38-20,545,147.29-9,655,210.73

Finding the Fourth Proportional to 13,720,734.38, 20,545,147.29 and 9,655,210.73

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Solution

The fourth proportional to 13,720,734.38, 20,545,147.29 and 9,655,210.73 is: 14,457,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,734.38 : 20,545,147.29 = 9,655,210.73 : x
  2. Step 2: Convert to fraction form
    13,720,734.38/20,545,147.29 = 9,655,210.73/x
  3. Step 3: Cross multiply
    13,720,734.38x = 20,545,147.29 × 9,655,210.73
  4. Step 4: Simplify right side
    13,720,734.38x = 198,367,726,651,408.31
  5. Step 5: Solve for x
    x = 198,367,726,651,408.31/13,720,734.38
  6. Step 6: Final answer
    x = 14,457,515.26

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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.