Home / 13,320,310.64-18,382,028.46-7,208,739.14

Finding the Fourth Proportional to 13,320,310.64, 18,382,028.46 and 7,208,739.14

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Solution

The fourth proportional to 13,320,310.64, 18,382,028.46 and 7,208,739.14 is: 9,948,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,310.64 : 18,382,028.46 = 7,208,739.14 : x
  2. Step 2: Convert to fraction form
    13,320,310.64/18,382,028.46 = 7,208,739.14/x
  3. Step 3: Cross multiply
    13,320,310.64x = 18,382,028.46 × 7,208,739.14
  4. Step 4: Simplify right side
    13,320,310.64x = 132,511,248,032,195.92
  5. Step 5: Solve for x
    x = 132,511,248,032,195.92/13,320,310.64
  6. Step 6: Final answer
    x = 9,948,059.89

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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.