Home / 8,231,932.28-12,289,170.57-7,684,878.93

Finding the Fourth Proportional to 8,231,932.28, 12,289,170.57 and 7,684,878.93

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Solution

The fourth proportional to 8,231,932.28, 12,289,170.57 and 7,684,878.93 is: 11,472,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231,932.28 : 12,289,170.57 = 7,684,878.93 : x
  2. Step 2: Convert to fraction form
    8,231,932.28/12,289,170.57 = 7,684,878.93/x
  3. Step 3: Cross multiply
    8,231,932.28x = 12,289,170.57 × 7,684,878.93
  4. Step 4: Simplify right side
    8,231,932.28x = 94,440,787,980,569.09
  5. Step 5: Solve for x
    x = 94,440,787,980,569.09/8,231,932.28
  6. Step 6: Final answer
    x = 11,472,493.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.