Home / 13,132,838.17-19,711,211.36-6,989,977.04

Finding the Fourth Proportional to 13,132,838.17, 19,711,211.36 and 6,989,977.04

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Solution

The fourth proportional to 13,132,838.17, 19,711,211.36 and 6,989,977.04 is: 10,491,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132,838.17 : 19,711,211.36 = 6,989,977.04 : x
  2. Step 2: Convert to fraction form
    13,132,838.17/19,711,211.36 = 6,989,977.04/x
  3. Step 3: Cross multiply
    13,132,838.17x = 19,711,211.36 × 6,989,977.04
  4. Step 4: Simplify right side
    13,132,838.17x = 137,780,914,836,987.17
  5. Step 5: Solve for x
    x = 137,780,914,836,987.17/13,132,838.17
  6. Step 6: Final answer
    x = 10,491,328.15

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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.