Home / 10,425,008.40-15,639,067.80-3,692,893.20

Finding the Fourth Proportional to 10,425,008.40, 15,639,067.80 and 3,692,893.20

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Solution

The fourth proportional to 10,425,008.40, 15,639,067.80 and 3,692,893.20 is: 5,539,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425,008.40 : 15,639,067.80 = 3,692,893.20 : x
  2. Step 2: Convert to fraction form
    10,425,008.40/15,639,067.80 = 3,692,893.20/x
  3. Step 3: Cross multiply
    10,425,008.40x = 15,639,067.80 × 3,692,893.20
  4. Step 4: Simplify right side
    10,425,008.40x = 57,753,407,132,958.97
  5. Step 5: Solve for x
    x = 57,753,407,132,958.97/10,425,008.40
  6. Step 6: Final answer
    x = 5,539,890.70

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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.