Home / 28,488,023.20-42,732,034.80-13,371,479.20

Finding the Fourth Proportional to 28,488,023.20, 42,732,034.80 and 13,371,479.20

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Solution

The fourth proportional to 28,488,023.20, 42,732,034.80 and 13,371,479.20 is: 20,057,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,023.20 : 42,732,034.80 = 13,371,479.20 : x
  2. Step 2: Convert to fraction form
    28,488,023.20/42,732,034.80 = 13,371,479.20/x
  3. Step 3: Cross multiply
    28,488,023.20x = 42,732,034.80 × 13,371,479.20
  4. Step 4: Simplify right side
    28,488,023.20x = 571,390,514,501,876.12
  5. Step 5: Solve for x
    x = 571,390,514,501,876.12/28,488,023.20
  6. Step 6: Final answer
    x = 20,057,218.80

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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.