Home / 28,082,870.90-42,124,306.35-13,715,155.70

Finding the Fourth Proportional to 28,082,870.90, 42,124,306.35 and 13,715,155.70

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Solution

The fourth proportional to 28,082,870.90, 42,124,306.35 and 13,715,155.70 is: 20,572,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,870.90 : 42,124,306.35 = 13,715,155.70 : x
  2. Step 2: Convert to fraction form
    28,082,870.90/42,124,306.35 = 13,715,155.70/x
  3. Step 3: Cross multiply
    28,082,870.90x = 42,124,306.35 × 13,715,155.70
  4. Step 4: Simplify right side
    28,082,870.90x = 577,741,420,344,748.62
  5. Step 5: Solve for x
    x = 577,741,420,344,748.62/28,082,870.90
  6. Step 6: Final answer
    x = 20,572,733.55

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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.