Home / 15,744,079.20-21,727,249.20-8,868,151.20

Finding the Fourth Proportional to 15,744,079.20, 21,727,249.20 and 8,868,151.20

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Solution

The fourth proportional to 15,744,079.20, 21,727,249.20 and 8,868,151.20 is: 12,238,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744,079.20 : 21,727,249.20 = 8,868,151.20 : x
  2. Step 2: Convert to fraction form
    15,744,079.20/21,727,249.20 = 8,868,151.20/x
  3. Step 3: Cross multiply
    15,744,079.20x = 21,727,249.20 × 8,868,151.20
  4. Step 4: Simplify right side
    15,744,079.20x = 192,680,531,065,679.03
  5. Step 5: Solve for x
    x = 192,680,531,065,679.03/15,744,079.20
  6. Step 6: Final answer
    x = 12,238,285.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.