Home / 12,931,425.20-19,396,434.60-3,955,977.20

Finding the Fourth Proportional to 12,931,425.20, 19,396,434.60 and 3,955,977.20

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Solution

The fourth proportional to 12,931,425.20, 19,396,434.60 and 3,955,977.20 is: 5,933,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,425.20 : 19,396,434.60 = 3,955,977.20 : x
  2. Step 2: Convert to fraction form
    12,931,425.20/19,396,434.60 = 3,955,977.20/x
  3. Step 3: Cross multiply
    12,931,425.20x = 19,396,434.60 × 3,955,977.20
  4. Step 4: Simplify right side
    12,931,425.20x = 76,731,853,038,891.12
  5. Step 5: Solve for x
    x = 76,731,853,038,891.12/12,931,425.20
  6. Step 6: Final answer
    x = 5,933,750.68

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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.