Home / 9,181,815.30-13,772,722.95-8,189,792.10

Finding the Fourth Proportional to 9,181,815.30, 13,772,722.95 and 8,189,792.10

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Solution

The fourth proportional to 9,181,815.30, 13,772,722.95 and 8,189,792.10 is: 12,284,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,815.30 : 13,772,722.95 = 8,189,792.10 : x
  2. Step 2: Convert to fraction form
    9,181,815.30/13,772,722.95 = 8,189,792.10/x
  3. Step 3: Cross multiply
    9,181,815.30x = 13,772,722.95 × 8,189,792.10
  4. Step 4: Simplify right side
    9,181,815.30x = 112,795,737,611,398.69
  5. Step 5: Solve for x
    x = 112,795,737,611,398.69/9,181,815.30
  6. Step 6: Final answer
    x = 12,284,688.15

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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.