Home / 28,073,998.80-42,110,998.20-15,319,414.80

Finding the Fourth Proportional to 28,073,998.80, 42,110,998.20 and 15,319,414.80

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Solution

The fourth proportional to 28,073,998.80, 42,110,998.20 and 15,319,414.80 is: 22,979,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073,998.80 : 42,110,998.20 = 15,319,414.80 : x
  2. Step 2: Convert to fraction form
    28,073,998.80/42,110,998.20 = 15,319,414.80/x
  3. Step 3: Cross multiply
    28,073,998.80x = 42,110,998.20 × 15,319,414.80
  4. Step 4: Simplify right side
    28,073,998.80x = 645,115,849,067,853.38
  5. Step 5: Solve for x
    x = 645,115,849,067,853.38/28,073,998.80
  6. Step 6: Final answer
    x = 22,979,122.20

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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.