Home / 8,101,152.20-12,151,728.30-3,307,248.20

Finding the Fourth Proportional to 8,101,152.20, 12,151,728.30 and 3,307,248.20

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Solution

The fourth proportional to 8,101,152.20, 12,151,728.30 and 3,307,248.20 is: 4,960,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101,152.20 : 12,151,728.30 = 3,307,248.20 : x
  2. Step 2: Convert to fraction form
    8,101,152.20/12,151,728.30 = 3,307,248.20/x
  3. Step 3: Cross multiply
    8,101,152.20x = 12,151,728.30 × 3,307,248.20
  4. Step 4: Simplify right side
    8,101,152.20x = 40,188,781,547,064.06
  5. Step 5: Solve for x
    x = 40,188,781,547,064.06/8,101,152.20
  6. Step 6: Final answer
    x = 4,960,872.30

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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.