Home / 15,344,432.55-21,175,273.26-8,468,865

Finding the Fourth Proportional to 15,344,432.55, 21,175,273.26 and 8,468,865

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Solution

The fourth proportional to 15,344,432.55, 21,175,273.26 and 8,468,865 is: 11,687,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,432.55 : 21,175,273.26 = 8,468,865 : x
  2. Step 2: Convert to fraction form
    15,344,432.55/21,175,273.26 = 8,468,865/x
  3. Step 3: Cross multiply
    15,344,432.55x = 21,175,273.26 × 8,468,865
  4. Step 4: Simplify right side
    15,344,432.55x = 179,330,530,577,049.91
  5. Step 5: Solve for x
    x = 179,330,530,577,049.91/15,344,432.55
  6. Step 6: Final answer
    x = 11,687,009.60

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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.