Home / 8,986,980.94-12,399,004.46-5,116,761.86

Finding the Fourth Proportional to 8,986,980.94, 12,399,004.46 and 5,116,761.86

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Solution

The fourth proportional to 8,986,980.94, 12,399,004.46 and 5,116,761.86 is: 7,059,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,980.94 : 12,399,004.46 = 5,116,761.86 : x
  2. Step 2: Convert to fraction form
    8,986,980.94/12,399,004.46 = 5,116,761.86/x
  3. Step 3: Cross multiply
    8,986,980.94x = 12,399,004.46 × 5,116,761.86
  4. Step 4: Simplify right side
    8,986,980.94x = 63,442,753,073,694.79
  5. Step 5: Solve for x
    x = 63,442,753,073,694.79/8,986,980.94
  6. Step 6: Final answer
    x = 7,059,406.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.