Home / 18,125,100.65-25,012,742.92-9,865,143.23

Finding the Fourth Proportional to 18,125,100.65, 25,012,742.92 and 9,865,143.23

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Solution

The fourth proportional to 18,125,100.65, 25,012,742.92 and 9,865,143.23 is: 13,613,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,100.65 : 25,012,742.92 = 9,865,143.23 : x
  2. Step 2: Convert to fraction form
    18,125,100.65/25,012,742.92 = 9,865,143.23/x
  3. Step 3: Cross multiply
    18,125,100.65x = 25,012,742.92 × 9,865,143.23
  4. Step 4: Simplify right side
    18,125,100.65x = 246,754,291,518,837.44
  5. Step 5: Solve for x
    x = 246,754,291,518,837.44/18,125,100.65
  6. Step 6: Final answer
    x = 13,613,954.28

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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.