Home / 15,164,864.70-22,747,297.05-12,472,230.30

Finding the Fourth Proportional to 15,164,864.70, 22,747,297.05 and 12,472,230.30

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Solution

The fourth proportional to 15,164,864.70, 22,747,297.05 and 12,472,230.30 is: 18,708,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164,864.70 : 22,747,297.05 = 12,472,230.30 : x
  2. Step 2: Convert to fraction form
    15,164,864.70/22,747,297.05 = 12,472,230.30/x
  3. Step 3: Cross multiply
    15,164,864.70x = 22,747,297.05 × 12,472,230.30
  4. Step 4: Simplify right side
    15,164,864.70x = 283,709,527,510,110.62
  5. Step 5: Solve for x
    x = 283,709,527,510,110.62/15,164,864.70
  6. Step 6: Final answer
    x = 18,708,345.45

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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.