Home / 25,897,791.60-38,846,687.40-7,944,562.80

Finding the Fourth Proportional to 25,897,791.60, 38,846,687.40 and 7,944,562.80

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Solution

The fourth proportional to 25,897,791.60, 38,846,687.40 and 7,944,562.80 is: 11,916,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,897,791.60 : 38,846,687.40 = 7,944,562.80 : x
  2. Step 2: Convert to fraction form
    25,897,791.60/38,846,687.40 = 7,944,562.80/x
  3. Step 3: Cross multiply
    25,897,791.60x = 38,846,687.40 × 7,944,562.80
  4. Step 4: Simplify right side
    25,897,791.60x = 308,619,947,621,268.69
  5. Step 5: Solve for x
    x = 308,619,947,621,268.69/25,897,791.60
  6. Step 6: Final answer
    x = 11,916,844.20

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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.