Home / 10,577,383.20-15,866,074.80-7,218,151.20

Finding the Fourth Proportional to 10,577,383.20, 15,866,074.80 and 7,218,151.20

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Solution

The fourth proportional to 10,577,383.20, 15,866,074.80 and 7,218,151.20 is: 10,827,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577,383.20 : 15,866,074.80 = 7,218,151.20 : x
  2. Step 2: Convert to fraction form
    10,577,383.20/15,866,074.80 = 7,218,151.20/x
  3. Step 3: Cross multiply
    10,577,383.20x = 15,866,074.80 × 7,218,151.20
  4. Step 4: Simplify right side
    10,577,383.20x = 114,523,726,856,909.77
  5. Step 5: Solve for x
    x = 114,523,726,856,909.77/10,577,383.20
  6. Step 6: Final answer
    x = 10,827,226.80

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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.