Home / 20,591,610-30,895,981.56-9,071,180.88

Finding the Fourth Proportional to 20,591,610, 30,895,981.56 and 9,071,180.88

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Solution

The fourth proportional to 20,591,610, 30,895,981.56 and 9,071,180.88 is: 13,610,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591,610 : 30,895,981.56 = 9,071,180.88 : x
  2. Step 2: Convert to fraction form
    20,591,610/30,895,981.56 = 9,071,180.88/x
  3. Step 3: Cross multiply
    20,591,610x = 30,895,981.56 × 9,071,180.88
  4. Step 4: Simplify right side
    20,591,610x = 280,263,037,195,904.59
  5. Step 5: Solve for x
    x = 280,263,037,195,904.59/20,591,610
  6. Step 6: Final answer
    x = 13,610,545.13

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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.