Home / 31,027,419.20-46,541,128.80-27,679,340.90

Finding the Fourth Proportional to 31,027,419.20, 46,541,128.80 and 27,679,340.90

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Solution

The fourth proportional to 31,027,419.20, 46,541,128.80 and 27,679,340.90 is: 41,519,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,027,419.20 : 46,541,128.80 = 27,679,340.90 : x
  2. Step 2: Convert to fraction form
    31,027,419.20/46,541,128.80 = 27,679,340.90/x
  3. Step 3: Cross multiply
    31,027,419.20x = 46,541,128.80 × 27,679,340.90
  4. Step 4: Simplify right side
    31,027,419.20x = 1,288,227,769,926,007.75
  5. Step 5: Solve for x
    x = 1,288,227,769,926,007.75/31,027,419.20
  6. Step 6: Final answer
    x = 41,519,011.35

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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.