Home / 18,861,693.98-28,272,397.71-10,757,218.73

Finding the Fourth Proportional to 18,861,693.98, 28,272,397.71 and 10,757,218.73

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Solution

The fourth proportional to 18,861,693.98, 28,272,397.71 and 10,757,218.73 is: 16,124,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861,693.98 : 28,272,397.71 = 10,757,218.73 : x
  2. Step 2: Convert to fraction form
    18,861,693.98/28,272,397.71 = 10,757,218.73/x
  3. Step 3: Cross multiply
    18,861,693.98x = 28,272,397.71 × 10,757,218.73
  4. Step 4: Simplify right side
    18,861,693.98x = 304,132,366,188,021.12
  5. Step 5: Solve for x
    x = 304,132,366,188,021.12/18,861,693.98
  6. Step 6: Final answer
    x = 16,124,339.97

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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.