Home / 22,506,958.38-31,059,198.10-12,717,191.87

Finding the Fourth Proportional to 22,506,958.38, 31,059,198.10 and 12,717,191.87

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Solution

The fourth proportional to 22,506,958.38, 31,059,198.10 and 12,717,191.87 is: 17,549,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506,958.38 : 31,059,198.10 = 12,717,191.87 : x
  2. Step 2: Convert to fraction form
    22,506,958.38/31,059,198.10 = 12,717,191.87/x
  3. Step 3: Cross multiply
    22,506,958.38x = 31,059,198.10 × 12,717,191.87
  4. Step 4: Simplify right side
    22,506,958.38x = 394,985,781,566,039.44
  5. Step 5: Solve for x
    x = 394,985,781,566,039.44/22,506,958.38
  6. Step 6: Final answer
    x = 17,549,496.24

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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.