Home / 12,974,098.10-19,461,147.15-8,196,523.70

Finding the Fourth Proportional to 12,974,098.10, 19,461,147.15 and 8,196,523.70

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Solution

The fourth proportional to 12,974,098.10, 19,461,147.15 and 8,196,523.70 is: 12,294,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,098.10 : 19,461,147.15 = 8,196,523.70 : x
  2. Step 2: Convert to fraction form
    12,974,098.10/19,461,147.15 = 8,196,523.70/x
  3. Step 3: Cross multiply
    12,974,098.10x = 19,461,147.15 × 8,196,523.70
  4. Step 4: Simplify right side
    12,974,098.10x = 159,513,753,844,162.44
  5. Step 5: Solve for x
    x = 159,513,753,844,162.44/12,974,098.10
  6. Step 6: Final answer
    x = 12,294,785.55

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Double scale
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Similar ratio
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1.5x scale

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.