Home / 10,922,825.08-15,079,165.42-7,979,337.64

Finding the Fourth Proportional to 10,922,825.08, 15,079,165.42 and 7,979,337.64

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Solution

The fourth proportional to 10,922,825.08, 15,079,165.42 and 7,979,337.64 is: 11,015,625.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922,825.08 : 15,079,165.42 = 7,979,337.64 : x
  2. Step 2: Convert to fraction form
    10,922,825.08/15,079,165.42 = 7,979,337.64/x
  3. Step 3: Cross multiply
    10,922,825.08x = 15,079,165.42 × 7,979,337.64
  4. Step 4: Simplify right side
    10,922,825.08x = 120,321,752,215,592.41
  5. Step 5: Solve for x
    x = 120,321,752,215,592.41/10,922,825.08
  6. Step 6: Final answer
    x = 11,015,625.66

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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.