Home / 18,131,301.45-27,196,952.18-15,769,341.45

Finding the Fourth Proportional to 18,131,301.45, 27,196,952.18 and 15,769,341.45

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Solution

The fourth proportional to 18,131,301.45, 27,196,952.18 and 15,769,341.45 is: 23,654,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,301.45 : 27,196,952.18 = 15,769,341.45 : x
  2. Step 2: Convert to fraction form
    18,131,301.45/27,196,952.18 = 15,769,341.45/x
  3. Step 3: Cross multiply
    18,131,301.45x = 27,196,952.18 × 15,769,341.45
  4. Step 4: Simplify right side
    18,131,301.45x = 428,878,025,246,895.12
  5. Step 5: Solve for x
    x = 428,878,025,246,895.12/18,131,301.45
  6. Step 6: Final answer
    x = 23,654,012.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.