Home / 26,521,446.30-39,782,169.45-20,144,154.30

Finding the Fourth Proportional to 26,521,446.30, 39,782,169.45 and 20,144,154.30

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Solution

The fourth proportional to 26,521,446.30, 39,782,169.45 and 20,144,154.30 is: 30,216,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521,446.30 : 39,782,169.45 = 20,144,154.30 : x
  2. Step 2: Convert to fraction form
    26,521,446.30/39,782,169.45 = 20,144,154.30/x
  3. Step 3: Cross multiply
    26,521,446.30x = 39,782,169.45 × 20,144,154.30
  4. Step 4: Simplify right side
    26,521,446.30x = 801,378,159,789,546.25
  5. Step 5: Solve for x
    x = 801,378,159,789,546.25/26,521,446.30
  6. Step 6: Final answer
    x = 30,216,231.45

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Double scale
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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.