Home / 10,115,247.60-15,172,871.40-9,194,083.20

Finding the Fourth Proportional to 10,115,247.60, 15,172,871.40 and 9,194,083.20

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Solution

The fourth proportional to 10,115,247.60, 15,172,871.40 and 9,194,083.20 is: 13,791,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,247.60 : 15,172,871.40 = 9,194,083.20 : x
  2. Step 2: Convert to fraction form
    10,115,247.60/15,172,871.40 = 9,194,083.20/x
  3. Step 3: Cross multiply
    10,115,247.60x = 15,172,871.40 × 9,194,083.20
  4. Step 4: Simplify right side
    10,115,247.60x = 139,500,642,034,500.47
  5. Step 5: Solve for x
    x = 139,500,642,034,500.47/10,115,247.60
  6. Step 6: Final answer
    x = 13,791,124.80

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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.