Home / 28,278,874.98-42,359,459.49-17,992,782.18

Finding the Fourth Proportional to 28,278,874.98, 42,359,459.49 and 17,992,782.18

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Solution

The fourth proportional to 28,278,874.98, 42,359,459.49 and 17,992,782.18 is: 26,951,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278,874.98 : 42,359,459.49 = 17,992,782.18 : x
  2. Step 2: Convert to fraction form
    28,278,874.98/42,359,459.49 = 17,992,782.18/x
  3. Step 3: Cross multiply
    28,278,874.98x = 42,359,459.49 × 17,992,782.18
  4. Step 4: Simplify right side
    28,278,874.98x = 762,164,527,866,103.88
  5. Step 5: Solve for x
    x = 762,164,527,866,103.88/28,278,874.98
  6. Step 6: Final answer
    x = 26,951,727.34

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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.