Home / 7,981,425.40-11,972,138.10-5,462,001.40

Finding the Fourth Proportional to 7,981,425.40, 11,972,138.10 and 5,462,001.40

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Solution

The fourth proportional to 7,981,425.40, 11,972,138.10 and 5,462,001.40 is: 8,193,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,425.40 : 11,972,138.10 = 5,462,001.40 : x
  2. Step 2: Convert to fraction form
    7,981,425.40/11,972,138.10 = 5,462,001.40/x
  3. Step 3: Cross multiply
    7,981,425.40x = 11,972,138.10 × 5,462,001.40
  4. Step 4: Simplify right side
    7,981,425.40x = 65,391,835,063,193.34
  5. Step 5: Solve for x
    x = 65,391,835,063,193.34/7,981,425.40
  6. Step 6: Final answer
    x = 8,193,002.10

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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.