Home / 8,106,490.78-12,157,825.98-2,986,140.17

Finding the Fourth Proportional to 8,106,490.78, 12,157,825.98 and 2,986,140.17

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Solution

The fourth proportional to 8,106,490.78, 12,157,825.98 and 2,986,140.17 is: 4,478,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106,490.78 : 12,157,825.98 = 2,986,140.17 : x
  2. Step 2: Convert to fraction form
    8,106,490.78/12,157,825.98 = 2,986,140.17/x
  3. Step 3: Cross multiply
    8,106,490.78x = 12,157,825.98 × 2,986,140.17
  4. Step 4: Simplify right side
    8,106,490.78x = 36,304,972,538,747.62
  5. Step 5: Solve for x
    x = 36,304,972,538,747.62/8,106,490.78
  6. Step 6: Final answer
    x = 4,478,506.61

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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.