Home / 13,561,357.40-18,696,865.06-9,786,251.61

Finding the Fourth Proportional to 13,561,357.40, 18,696,865.06 and 9,786,251.61

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Solution

The fourth proportional to 13,561,357.40, 18,696,865.06 and 9,786,251.61 is: 13,492,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,357.40 : 18,696,865.06 = 9,786,251.61 : x
  2. Step 2: Convert to fraction form
    13,561,357.40/18,696,865.06 = 9,786,251.61/x
  3. Step 3: Cross multiply
    13,561,357.40x = 18,696,865.06 × 9,786,251.61
  4. Step 4: Simplify right side
    13,561,357.40x = 182,972,225,795,377.72
  5. Step 5: Solve for x
    x = 182,972,225,795,377.72/13,561,357.40
  6. Step 6: Final answer
    x = 13,492,176.37

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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.