Home / 11,780,404.80-17,665,358.40-5,392,615.20

Finding the Fourth Proportional to 11,780,404.80, 17,665,358.40 and 5,392,615.20

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Solution

The fourth proportional to 11,780,404.80, 17,665,358.40 and 5,392,615.20 is: 8,086,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,404.80 : 17,665,358.40 = 5,392,615.20 : x
  2. Step 2: Convert to fraction form
    11,780,404.80/17,665,358.40 = 5,392,615.20/x
  3. Step 3: Cross multiply
    11,780,404.80x = 17,665,358.40 × 5,392,615.20
  4. Step 4: Simplify right side
    11,780,404.80x = 95,262,480,221,287.67
  5. Step 5: Solve for x
    x = 95,262,480,221,287.67/11,780,404.80
  6. Step 6: Final answer
    x = 8,086,520.10

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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.