Home / 12,073,979.30-16,660,577.62-8,162,246.86

Finding the Fourth Proportional to 12,073,979.30, 16,660,577.62 and 8,162,246.86

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Solution

The fourth proportional to 12,073,979.30, 16,660,577.62 and 8,162,246.86 is: 11,262,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,979.30 : 16,660,577.62 = 8,162,246.86 : x
  2. Step 2: Convert to fraction form
    12,073,979.30/16,660,577.62 = 8,162,246.86/x
  3. Step 3: Cross multiply
    12,073,979.30x = 16,660,577.62 × 8,162,246.86
  4. Step 4: Simplify right side
    12,073,979.30x = 135,987,747,364,631.27
  5. Step 5: Solve for x
    x = 135,987,747,364,631.27/12,073,979.30
  6. Step 6: Final answer
    x = 11,262,877.30

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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.