Home / 13,101,662.78-18,080,052.46-7,141,120.95

Finding the Fourth Proportional to 13,101,662.78, 18,080,052.46 and 7,141,120.95

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Solution

The fourth proportional to 13,101,662.78, 18,080,052.46 and 7,141,120.95 is: 9,854,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101,662.78 : 18,080,052.46 = 7,141,120.95 : x
  2. Step 2: Convert to fraction form
    13,101,662.78/18,080,052.46 = 7,141,120.95/x
  3. Step 3: Cross multiply
    13,101,662.78x = 18,080,052.46 × 7,141,120.95
  4. Step 4: Simplify right side
    13,101,662.78x = 129,111,841,399,205.05
  5. Step 5: Solve for x
    x = 129,111,841,399,205.05/13,101,662.78
  6. Step 6: Final answer
    x = 9,854,614.91

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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.