Home / 12,882,824.22-17,786,858.27-9,897,210.12

Finding the Fourth Proportional to 12,882,824.22, 17,786,858.27 and 9,897,210.12

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Solution

The fourth proportional to 12,882,824.22, 17,786,858.27 and 9,897,210.12 is: 13,664,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,824.22 : 17,786,858.27 = 9,897,210.12 : x
  2. Step 2: Convert to fraction form
    12,882,824.22/17,786,858.27 = 9,897,210.12/x
  3. Step 3: Cross multiply
    12,882,824.22x = 17,786,858.27 × 9,897,210.12
  4. Step 4: Simplify right side
    12,882,824.22x = 176,040,273,623,363.62
  5. Step 5: Solve for x
    x = 176,040,273,623,363.62/12,882,824.22
  6. Step 6: Final answer
    x = 13,664,726.82

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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.