Home / 18,288,255.26-27,428,886.42-9,187,831.14

Finding the Fourth Proportional to 18,288,255.26, 27,428,886.42 and 9,187,831.14

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Solution

The fourth proportional to 18,288,255.26, 27,428,886.42 and 9,187,831.14 is: 13,779,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,255.26 : 27,428,886.42 = 9,187,831.14 : x
  2. Step 2: Convert to fraction form
    18,288,255.26/27,428,886.42 = 9,187,831.14/x
  3. Step 3: Cross multiply
    18,288,255.26x = 27,428,886.42 × 9,187,831.14
  4. Step 4: Simplify right side
    18,288,255.26x = 252,011,976,739,259.97
  5. Step 5: Solve for x
    x = 252,011,976,739,259.97/18,288,255.26
  6. Step 6: Final answer
    x = 13,779,990.12

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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.