Home / 26,287,287.20-39,423,932.40-8,091,447.20

Finding the Fourth Proportional to 26,287,287.20, 39,423,932.40 and 8,091,447.20

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Solution

The fourth proportional to 26,287,287.20, 39,423,932.40 and 8,091,447.20 is: 12,135,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287,287.20 : 39,423,932.40 = 8,091,447.20 : x
  2. Step 2: Convert to fraction form
    26,287,287.20/39,423,932.40 = 8,091,447.20/x
  3. Step 3: Cross multiply
    26,287,287.20x = 39,423,932.40 × 8,091,447.20
  4. Step 4: Simplify right side
    26,287,287.20x = 318,996,667,430,969.25
  5. Step 5: Solve for x
    x = 318,996,667,430,969.25/26,287,287.20
  6. Step 6: Final answer
    x = 12,135,016.63

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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.