Home / 15,013,869.32-20,736,358.38-9,880,149.24

Finding the Fourth Proportional to 15,013,869.32, 20,736,358.38 and 9,880,149.24

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Solution

The fourth proportional to 15,013,869.32, 20,736,358.38 and 9,880,149.24 is: 13,645,937.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013,869.32 : 20,736,358.38 = 9,880,149.24 : x
  2. Step 2: Convert to fraction form
    15,013,869.32/20,736,358.38 = 9,880,149.24/x
  3. Step 3: Cross multiply
    15,013,869.32x = 20,736,358.38 × 9,880,149.24
  4. Step 4: Simplify right side
    15,013,869.32x = 204,878,315,488,524.62
  5. Step 5: Solve for x
    x = 204,878,315,488,524.62/15,013,869.32
  6. Step 6: Final answer
    x = 13,645,937.04

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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.