Home / 12,219,613.38-16,861,191.93-7,061,978.88

Finding the Fourth Proportional to 12,219,613.38, 16,861,191.93 and 7,061,978.88

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Solution

The fourth proportional to 12,219,613.38, 16,861,191.93 and 7,061,978.88 is: 9,744,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,613.38 : 16,861,191.93 = 7,061,978.88 : x
  2. Step 2: Convert to fraction form
    12,219,613.38/16,861,191.93 = 7,061,978.88/x
  3. Step 3: Cross multiply
    12,219,613.38x = 16,861,191.93 × 7,061,978.88
  4. Step 4: Simplify right side
    12,219,613.38x = 119,073,381,301,286.44
  5. Step 5: Solve for x
    x = 119,073,381,301,286.44/12,219,613.38
  6. Step 6: Final answer
    x = 9,744,447.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.