Home / 8,517,831.90-12,786,079.05-4,738,695.90

Finding the Fourth Proportional to 8,517,831.90, 12,786,079.05 and 4,738,695.90

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Solution

The fourth proportional to 8,517,831.90, 12,786,079.05 and 4,738,695.90 is: 7,113,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,831.90 : 12,786,079.05 = 4,738,695.90 : x
  2. Step 2: Convert to fraction form
    8,517,831.90/12,786,079.05 = 4,738,695.90/x
  3. Step 3: Cross multiply
    8,517,831.90x = 12,786,079.05 × 4,738,695.90
  4. Step 4: Simplify right side
    8,517,831.90x = 60,589,340,371,310.91
  5. Step 5: Solve for x
    x = 60,589,340,371,310.91/8,517,831.90
  6. Step 6: Final answer
    x = 7,113,235.04

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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.