Home / 8,776,836.72-13,160,521.32-3,981,909.60

Finding the Fourth Proportional to 8,776,836.72, 13,160,521.32 and 3,981,909.60

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Solution

The fourth proportional to 8,776,836.72, 13,160,521.32 and 3,981,909.60 is: 5,970,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776,836.72 : 13,160,521.32 = 3,981,909.60 : x
  2. Step 2: Convert to fraction form
    8,776,836.72/13,160,521.32 = 3,981,909.60/x
  3. Step 3: Cross multiply
    8,776,836.72x = 13,160,521.32 × 3,981,909.60
  4. Step 4: Simplify right side
    8,776,836.72x = 52,404,006,185,112.67
  5. Step 5: Solve for x
    x = 52,404,006,185,112.67/8,776,836.72
  6. Step 6: Final answer
    x = 5,970,716.77

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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.