Home / 8,271,904.80-12,407,857.20-6,146,140.80

Finding the Fourth Proportional to 8,271,904.80, 12,407,857.20 and 6,146,140.80

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Solution

The fourth proportional to 8,271,904.80, 12,407,857.20 and 6,146,140.80 is: 9,219,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,904.80 : 12,407,857.20 = 6,146,140.80 : x
  2. Step 2: Convert to fraction form
    8,271,904.80/12,407,857.20 = 6,146,140.80/x
  3. Step 3: Cross multiply
    8,271,904.80x = 12,407,857.20 × 6,146,140.80
  4. Step 4: Simplify right side
    8,271,904.80x = 76,260,437,377,493.75
  5. Step 5: Solve for x
    x = 76,260,437,377,493.75/8,271,904.80
  6. Step 6: Final answer
    x = 9,219,211.20

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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.