Home / 14,591,572.43-20,136,370.97-7,976,187.20

Finding the Fourth Proportional to 14,591,572.43, 20,136,370.97 and 7,976,187.20

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Solution

The fourth proportional to 14,591,572.43, 20,136,370.97 and 7,976,187.20 is: 11,007,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591,572.43 : 20,136,370.97 = 7,976,187.20 : x
  2. Step 2: Convert to fraction form
    14,591,572.43/20,136,370.97 = 7,976,187.20/x
  3. Step 3: Cross multiply
    14,591,572.43x = 20,136,370.97 × 7,976,187.20
  4. Step 4: Simplify right side
    14,591,572.43x = 160,611,464,455,646.97
  5. Step 5: Solve for x
    x = 160,611,464,455,646.97/14,591,572.43
  6. Step 6: Final answer
    x = 11,007,138.90

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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.