Home / 18,125,102.65-25,012,745.68-9,865,145.23

Finding the Fourth Proportional to 18,125,102.65, 25,012,745.68 and 9,865,145.23

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Solution

The fourth proportional to 18,125,102.65, 25,012,745.68 and 9,865,145.23 is: 13,613,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,102.65 : 25,012,745.68 = 9,865,145.23 : x
  2. Step 2: Convert to fraction form
    18,125,102.65/25,012,745.68 = 9,865,145.23/x
  3. Step 3: Cross multiply
    18,125,102.65x = 25,012,745.68 × 9,865,145.23
  4. Step 4: Simplify right side
    18,125,102.65x = 246,754,368,734,255.12
  5. Step 5: Solve for x
    x = 246,754,368,734,255.12/18,125,102.65
  6. Step 6: Final answer
    x = 13,613,957.04

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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.