Home / 18,191,666.70-27,287,500.05-8,625,728.70

Finding the Fourth Proportional to 18,191,666.70, 27,287,500.05 and 8,625,728.70

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Solution

The fourth proportional to 18,191,666.70, 27,287,500.05 and 8,625,728.70 is: 12,938,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,666.70 : 27,287,500.05 = 8,625,728.70 : x
  2. Step 2: Convert to fraction form
    18,191,666.70/27,287,500.05 = 8,625,728.70/x
  3. Step 3: Cross multiply
    18,191,666.70x = 27,287,500.05 × 8,625,728.70
  4. Step 4: Simplify right side
    18,191,666.70x = 235,374,572,332,536.41
  5. Step 5: Solve for x
    x = 235,374,572,332,536.41/18,191,666.70
  6. Step 6: Final answer
    x = 12,938,593.05

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Similar ratio
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1.5x scale

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.