Home / 26,613,862.60-39,920,793.90-21,134,115.40

Finding the Fourth Proportional to 26,613,862.60, 39,920,793.90 and 21,134,115.40

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Solution

The fourth proportional to 26,613,862.60, 39,920,793.90 and 21,134,115.40 is: 31,701,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613,862.60 : 39,920,793.90 = 21,134,115.40 : x
  2. Step 2: Convert to fraction form
    26,613,862.60/39,920,793.90 = 21,134,115.40/x
  3. Step 3: Cross multiply
    26,613,862.60x = 39,920,793.90 × 21,134,115.40
  4. Step 4: Simplify right side
    26,613,862.60x = 843,690,665,142,216
  5. Step 5: Solve for x
    x = 843,690,665,142,216/26,613,862.60
  6. Step 6: Final answer
    x = 31,701,173.10

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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.