Home / 13,132,837.17-19,711,209.86-6,989,976.04

Finding the Fourth Proportional to 13,132,837.17, 19,711,209.86 and 6,989,976.04

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Solution

The fourth proportional to 13,132,837.17, 19,711,209.86 and 6,989,976.04 is: 10,491,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132,837.17 : 19,711,209.86 = 6,989,976.04 : x
  2. Step 2: Convert to fraction form
    13,132,837.17/19,711,209.86 = 6,989,976.04/x
  3. Step 3: Cross multiply
    13,132,837.17x = 19,711,209.86 × 6,989,976.04
  4. Step 4: Simplify right side
    13,132,837.17x = 137,780,884,640,811.75
  5. Step 5: Solve for x
    x = 137,780,884,640,811.75/13,132,837.17
  6. Step 6: Final answer
    x = 10,491,326.65

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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.