Home / 18,339,142.40-27,508,713.60-9,836,086.40

Finding the Fourth Proportional to 18,339,142.40, 27,508,713.60 and 9,836,086.40

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Solution

The fourth proportional to 18,339,142.40, 27,508,713.60 and 9,836,086.40 is: 14,754,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339,142.40 : 27,508,713.60 = 9,836,086.40 : x
  2. Step 2: Convert to fraction form
    18,339,142.40/27,508,713.60 = 9,836,086.40/x
  3. Step 3: Cross multiply
    18,339,142.40x = 27,508,713.60 × 9,836,086.40
  4. Step 4: Simplify right side
    18,339,142.40x = 270,578,083,722,455.06
  5. Step 5: Solve for x
    x = 270,578,083,722,455.06/18,339,142.40
  6. Step 6: Final answer
    x = 14,754,129.60

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1.5x scale

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.