Home / 20,288,165.42-27,981,343.19-17,835,532.40

Finding the Fourth Proportional to 20,288,165.42, 27,981,343.19 and 17,835,532.40

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Solution

The fourth proportional to 20,288,165.42, 27,981,343.19 and 17,835,532.40 is: 24,598,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288,165.42 : 27,981,343.19 = 17,835,532.40 : x
  2. Step 2: Convert to fraction form
    20,288,165.42/27,981,343.19 = 17,835,532.40/x
  3. Step 3: Cross multiply
    20,288,165.42x = 27,981,343.19 × 17,835,532.40
  4. Step 4: Simplify right side
    20,288,165.42x = 499,062,152,965,446.44
  5. Step 5: Solve for x
    x = 499,062,152,965,446.44/20,288,165.42
  6. Step 6: Final answer
    x = 24,598,683.16

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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.