Home / 11,664,031.60-17,496,047.40-7,381,010.80

Finding the Fourth Proportional to 11,664,031.60, 17,496,047.40 and 7,381,010.80

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Solution

The fourth proportional to 11,664,031.60, 17,496,047.40 and 7,381,010.80 is: 11,071,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664,031.60 : 17,496,047.40 = 7,381,010.80 : x
  2. Step 2: Convert to fraction form
    11,664,031.60/17,496,047.40 = 7,381,010.80/x
  3. Step 3: Cross multiply
    11,664,031.60x = 17,496,047.40 × 7,381,010.80
  4. Step 4: Simplify right side
    11,664,031.60x = 129,138,514,816,711.91
  5. Step 5: Solve for x
    x = 129,138,514,816,711.91/11,664,031.60
  6. Step 6: Final answer
    x = 11,071,516.20

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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.