Home / 15,172,361.40-22,758,542.10-8,688,781.20

Finding the Fourth Proportional to 15,172,361.40, 22,758,542.10 and 8,688,781.20

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Solution

The fourth proportional to 15,172,361.40, 22,758,542.10 and 8,688,781.20 is: 13,033,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,361.40 : 22,758,542.10 = 8,688,781.20 : x
  2. Step 2: Convert to fraction form
    15,172,361.40/22,758,542.10 = 8,688,781.20/x
  3. Step 3: Cross multiply
    15,172,361.40x = 22,758,542.10 × 8,688,781.20
  4. Step 4: Simplify right side
    15,172,361.40x = 197,743,992,737,888.53
  5. Step 5: Solve for x
    x = 197,743,992,737,888.53/15,172,361.40
  6. Step 6: Final answer
    x = 13,033,171.80

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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.