Home / 10,369,920.24-15,555,627.90-3,980,172.60

Finding the Fourth Proportional to 10,369,920.24, 15,555,627.90 and 3,980,172.60

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Solution

The fourth proportional to 10,369,920.24, 15,555,627.90 and 3,980,172.60 is: 5,970,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,920.24 : 15,555,627.90 = 3,980,172.60 : x
  2. Step 2: Convert to fraction form
    10,369,920.24/15,555,627.90 = 3,980,172.60/x
  3. Step 3: Cross multiply
    10,369,920.24x = 15,555,627.90 × 3,980,172.60
  4. Step 4: Simplify right side
    10,369,920.24x = 61,914,083,943,375.54
  5. Step 5: Solve for x
    x = 61,914,083,943,375.54/10,369,920.24
  6. Step 6: Final answer
    x = 5,970,545.82

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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.