Home / 8,348,541.45-12,522,812.18-6,456,640.65

Finding the Fourth Proportional to 8,348,541.45, 12,522,812.18 and 6,456,640.65

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Solution

The fourth proportional to 8,348,541.45, 12,522,812.18 and 6,456,640.65 is: 9,684,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348,541.45 : 12,522,812.18 = 6,456,640.65 : x
  2. Step 2: Convert to fraction form
    8,348,541.45/12,522,812.18 = 6,456,640.65/x
  3. Step 3: Cross multiply
    8,348,541.45x = 12,522,812.18 × 6,456,640.65
  4. Step 4: Simplify right side
    8,348,541.45x = 80,855,298,141,419.92
  5. Step 5: Solve for x
    x = 80,855,298,141,419.92/8,348,541.45
  6. Step 6: Final answer
    x = 9,684,960.98

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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.