Home / 14,591,367.31-20,136,515.11-7,976,321.30

Finding the Fourth Proportional to 14,591,367.31, 20,136,515.11 and 7,976,321.30

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Solution

The fourth proportional to 14,591,367.31, 20,136,515.11 and 7,976,321.30 is: 11,007,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591,367.31 : 20,136,515.11 = 7,976,321.30 : x
  2. Step 2: Convert to fraction form
    14,591,367.31/20,136,515.11 = 7,976,321.30/x
  3. Step 3: Cross multiply
    14,591,367.31x = 20,136,515.11 × 7,976,321.30
  4. Step 4: Simplify right side
    14,591,367.31x = 160,615,314,454,932.12
  5. Step 5: Solve for x
    x = 160,615,314,454,932.12/14,591,367.31
  6. Step 6: Final answer
    x = 11,007,557.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.