Home / 18,121,302.23-25,007,401.18-9,972,540.23

Finding the Fourth Proportional to 18,121,302.23, 25,007,401.18 and 9,972,540.23

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Solution

The fourth proportional to 18,121,302.23, 25,007,401.18 and 9,972,540.23 is: 13,762,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,302.23 : 25,007,401.18 = 9,972,540.23 : x
  2. Step 2: Convert to fraction form
    18,121,302.23/25,007,401.18 = 9,972,540.23/x
  3. Step 3: Cross multiply
    18,121,302.23x = 25,007,401.18 × 9,972,540.23
  4. Step 4: Simplify right side
    18,121,302.23x = 249,387,314,343,394.75
  5. Step 5: Solve for x
    x = 249,387,314,343,394.75/18,121,302.23
  6. Step 6: Final answer
    x = 13,762,107.78

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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.