Home / 10,198,523.40-15,297,785.10-5,663,560.20

Finding the Fourth Proportional to 10,198,523.40, 15,297,785.10 and 5,663,560.20

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Solution

The fourth proportional to 10,198,523.40, 15,297,785.10 and 5,663,560.20 is: 8,495,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198,523.40 : 15,297,785.10 = 5,663,560.20 : x
  2. Step 2: Convert to fraction form
    10,198,523.40/15,297,785.10 = 5,663,560.20/x
  3. Step 3: Cross multiply
    10,198,523.40x = 15,297,785.10 × 5,663,560.20
  4. Step 4: Simplify right side
    10,198,523.40x = 86,639,926,840,513.02
  5. Step 5: Solve for x
    x = 86,639,926,840,513.02/10,198,523.40
  6. Step 6: Final answer
    x = 8,495,340.30

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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.