Home / 7,244,086.20-10,866,129.30-7,132,111.80

Finding the Fourth Proportional to 7,244,086.20, 10,866,129.30 and 7,132,111.80

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Solution

The fourth proportional to 7,244,086.20, 10,866,129.30 and 7,132,111.80 is: 10,698,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,086.20 : 10,866,129.30 = 7,132,111.80 : x
  2. Step 2: Convert to fraction form
    7,244,086.20/10,866,129.30 = 7,132,111.80/x
  3. Step 3: Cross multiply
    7,244,086.20x = 10,866,129.30 × 7,132,111.80
  4. Step 4: Simplify right side
    7,244,086.20x = 77,498,449,000,855.75
  5. Step 5: Solve for x
    x = 77,498,449,000,855.75/7,244,086.20
  6. Step 6: Final answer
    x = 10,698,167.70

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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.