Home / 12,948,469.27-17,868,889.35-7,147,252.22

Finding the Fourth Proportional to 12,948,469.27, 17,868,889.35 and 7,147,252.22

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Solution

The fourth proportional to 12,948,469.27, 17,868,889.35 and 7,147,252.22 is: 9,863,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,469.27 : 17,868,889.35 = 7,147,252.22 : x
  2. Step 2: Convert to fraction form
    12,948,469.27/17,868,889.35 = 7,147,252.22/x
  3. Step 3: Cross multiply
    12,948,469.27x = 17,868,889.35 × 7,147,252.22
  4. Step 4: Simplify right side
    12,948,469.27x = 127,713,458,986,377.42
  5. Step 5: Solve for x
    x = 127,713,458,986,377.42/12,948,469.27
  6. Step 6: Final answer
    x = 9,863,209.03

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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.