Home / 26,024,118.20-38,988,938.10-21,205,719.80

Finding the Fourth Proportional to 26,024,118.20, 38,988,938.10 and 21,205,719.80

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Solution

The fourth proportional to 26,024,118.20, 38,988,938.10 and 21,205,719.80 is: 31,770,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,024,118.20 : 38,988,938.10 = 21,205,719.80 : x
  2. Step 2: Convert to fraction form
    26,024,118.20/38,988,938.10 = 21,205,719.80/x
  3. Step 3: Cross multiply
    26,024,118.20x = 38,988,938.10 × 21,205,719.80
  4. Step 4: Simplify right side
    26,024,118.20x = 826,788,496,648,144.50
  5. Step 5: Solve for x
    x = 826,788,496,648,144.50/26,024,118.20
  6. Step 6: Final answer
    x = 31,770,086.90

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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.