Home / 13,726,939.60-20,569,121.85-7,955,357.97

Finding the Fourth Proportional to 13,726,939.60, 20,569,121.85 and 7,955,357.97

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Solution

The fourth proportional to 13,726,939.60, 20,569,121.85 and 7,955,357.97 is: 11,920,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,939.60 : 20,569,121.85 = 7,955,357.97 : x
  2. Step 2: Convert to fraction form
    13,726,939.60/20,569,121.85 = 7,955,357.97/x
  3. Step 3: Cross multiply
    13,726,939.60x = 20,569,121.85 × 7,955,357.97
  4. Step 4: Simplify right side
    13,726,939.60x = 163,634,727,552,265.47
  5. Step 5: Solve for x
    x = 163,634,727,552,265.47/13,726,939.60
  6. Step 6: Final answer
    x = 11,920,699.90

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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.