Home / 12,258,665-18,387,997.14-5,780,232.32

Finding the Fourth Proportional to 12,258,665, 18,387,997.14 and 5,780,232.32

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Solution

The fourth proportional to 12,258,665, 18,387,997.14 and 5,780,232.32 is: 8,670,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,665 : 18,387,997.14 = 5,780,232.32 : x
  2. Step 2: Convert to fraction form
    12,258,665/18,387,997.14 = 5,780,232.32/x
  3. Step 3: Cross multiply
    12,258,665x = 18,387,997.14 × 5,780,232.32
  4. Step 4: Simplify right side
    12,258,665x = 106,286,895,368,695.58
  5. Step 5: Solve for x
    x = 106,286,895,368,695.58/12,258,665
  6. Step 6: Final answer
    x = 8,670,348.31

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Double scale
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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.