Home / 18,127,433.70-25,016,177.57-9,867,733.56

Finding the Fourth Proportional to 18,127,433.70, 25,016,177.57 and 9,867,733.56

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Solution

The fourth proportional to 18,127,433.70, 25,016,177.57 and 9,867,733.56 is: 13,617,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,433.70 : 25,016,177.57 = 9,867,733.56 : x
  2. Step 2: Convert to fraction form
    18,127,433.70/25,016,177.57 = 9,867,733.56/x
  3. Step 3: Cross multiply
    18,127,433.70x = 25,016,177.57 × 9,867,733.56
  4. Step 4: Simplify right side
    18,127,433.70x = 246,852,974,901,069.59
  5. Step 5: Solve for x
    x = 246,852,974,901,069.59/18,127,433.70
  6. Step 6: Final answer
    x = 13,617,645.99

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1.5x scale

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.