Home / 8,190,479.40-12,285,719.10-5,496,095.40

Finding the Fourth Proportional to 8,190,479.40, 12,285,719.10 and 5,496,095.40

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Solution

The fourth proportional to 8,190,479.40, 12,285,719.10 and 5,496,095.40 is: 8,244,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,479.40 : 12,285,719.10 = 5,496,095.40 : x
  2. Step 2: Convert to fraction form
    8,190,479.40/12,285,719.10 = 5,496,095.40/x
  3. Step 3: Cross multiply
    8,190,479.40x = 12,285,719.10 × 5,496,095.40
  4. Step 4: Simplify right side
    8,190,479.40x = 67,523,484,231,202.14
  5. Step 5: Solve for x
    x = 67,523,484,231,202.14/8,190,479.40
  6. Step 6: Final answer
    x = 8,244,143.10

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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.