Home / 15,678,543.60-23,517,815.40-15,439,395.15

Finding the Fourth Proportional to 15,678,543.60, 23,517,815.40 and 15,439,395.15

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Solution

The fourth proportional to 15,678,543.60, 23,517,815.40 and 15,439,395.15 is: 23,159,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,543.60 : 23,517,815.40 = 15,439,395.15 : x
  2. Step 2: Convert to fraction form
    15,678,543.60/23,517,815.40 = 15,439,395.15/x
  3. Step 3: Cross multiply
    15,678,543.60x = 23,517,815.40 × 15,439,395.15
  4. Step 4: Simplify right side
    15,678,543.60x = 363,100,845,025,355.31
  5. Step 5: Solve for x
    x = 363,100,845,025,355.31/15,678,543.60
  6. Step 6: Final answer
    x = 23,159,092.73

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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.