Home / 13,513,761.78-20,274,097.95-3,929,140.29

Finding the Fourth Proportional to 13,513,761.78, 20,274,097.95 and 3,929,140.29

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Solution

The fourth proportional to 13,513,761.78, 20,274,097.95 and 3,929,140.29 is: 5,894,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,761.78 : 20,274,097.95 = 3,929,140.29 : x
  2. Step 2: Convert to fraction form
    13,513,761.78/20,274,097.95 = 3,929,140.29/x
  3. Step 3: Cross multiply
    13,513,761.78x = 20,274,097.95 × 3,929,140.29
  4. Step 4: Simplify right side
    13,513,761.78x = 79,659,775,098,751.41
  5. Step 5: Solve for x
    x = 79,659,775,098,751.41/13,513,761.78
  6. Step 6: Final answer
    x = 5,894,715.06

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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.