Home / 18,468,116.70-27,702,175.05-10,815,366.30

Finding the Fourth Proportional to 18,468,116.70, 27,702,175.05 and 10,815,366.30

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Solution

The fourth proportional to 18,468,116.70, 27,702,175.05 and 10,815,366.30 is: 16,223,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,116.70 : 27,702,175.05 = 10,815,366.30 : x
  2. Step 2: Convert to fraction form
    18,468,116.70/27,702,175.05 = 10,815,366.30/x
  3. Step 3: Cross multiply
    18,468,116.70x = 27,702,175.05 × 10,815,366.30
  4. Step 4: Simplify right side
    18,468,116.70x = 299,609,170,472,470.81
  5. Step 5: Solve for x
    x = 299,609,170,472,470.81/18,468,116.70
  6. Step 6: Final answer
    x = 16,223,049.45

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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.