Home / 8,185,861.40-12,278,792.10-2,792,719.40

Finding the Fourth Proportional to 8,185,861.40, 12,278,792.10 and 2,792,719.40

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Solution

The fourth proportional to 8,185,861.40, 12,278,792.10 and 2,792,719.40 is: 4,189,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185,861.40 : 12,278,792.10 = 2,792,719.40 : x
  2. Step 2: Convert to fraction form
    8,185,861.40/12,278,792.10 = 2,792,719.40/x
  3. Step 3: Cross multiply
    8,185,861.40x = 12,278,792.10 × 2,792,719.40
  4. Step 4: Simplify right side
    8,185,861.40x = 34,291,220,906,236.74
  5. Step 5: Solve for x
    x = 34,291,220,906,236.74/8,185,861.40
  6. Step 6: Final answer
    x = 4,189,079.10

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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.