Home / 18,693,432.45-28,042,387.29-5,737,886.24

Finding the Fourth Proportional to 18,693,432.45, 28,042,387.29 and 5,737,886.24

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Solution

The fourth proportional to 18,693,432.45, 28,042,387.29 and 5,737,886.24 is: 8,607,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,432.45 : 28,042,387.29 = 5,737,886.24 : x
  2. Step 2: Convert to fraction form
    18,693,432.45/28,042,387.29 = 5,737,886.24/x
  3. Step 3: Cross multiply
    18,693,432.45x = 28,042,387.29 × 5,737,886.24
  4. Step 4: Simplify right side
    18,693,432.45x = 160,904,028,027,829.97
  5. Step 5: Solve for x
    x = 160,904,028,027,829.97/18,693,432.45
  6. Step 6: Final answer
    x = 8,607,516.49

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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.