Home / 20,657,446.10-28,514,949.36-17,745,149.42

Finding the Fourth Proportional to 20,657,446.10, 28,514,949.36 and 17,745,149.42

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Solution

The fourth proportional to 20,657,446.10, 28,514,949.36 and 17,745,149.42 is: 24,494,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,446.10 : 28,514,949.36 = 17,745,149.42 : x
  2. Step 2: Convert to fraction form
    20,657,446.10/28,514,949.36 = 17,745,149.42/x
  3. Step 3: Cross multiply
    20,657,446.10x = 28,514,949.36 × 17,745,149.42
  4. Step 4: Simplify right side
    20,657,446.10x = 506,002,037,094,561.81
  5. Step 5: Solve for x
    x = 506,002,037,094,561.81/20,657,446.10
  6. Step 6: Final answer
    x = 24,494,898.10

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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.