Home / 14,472,555.90-19,981,473.78-8,971,809.24

Finding the Fourth Proportional to 14,472,555.90, 19,981,473.78 and 8,971,809.24

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Solution

The fourth proportional to 14,472,555.90, 19,981,473.78 and 8,971,809.24 is: 12,386,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472,555.90 : 19,981,473.78 = 8,971,809.24 : x
  2. Step 2: Convert to fraction form
    14,472,555.90/19,981,473.78 = 8,971,809.24/x
  3. Step 3: Cross multiply
    14,472,555.90x = 19,981,473.78 × 8,971,809.24
  4. Step 4: Simplify right side
    14,472,555.90x = 179,269,971,088,221.75
  5. Step 5: Solve for x
    x = 179,269,971,088,221.75/14,472,555.90
  6. Step 6: Final answer
    x = 12,386,890.91

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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.