Home / 12,882,824.72-17,786,858.96-9,897,210.62

Finding the Fourth Proportional to 12,882,824.72, 17,786,858.96 and 9,897,210.62

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Solution

The fourth proportional to 12,882,824.72, 17,786,858.96 and 9,897,210.62 is: 13,664,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,824.72 : 17,786,858.96 = 9,897,210.62 : x
  2. Step 2: Convert to fraction form
    12,882,824.72/17,786,858.96 = 9,897,210.62/x
  3. Step 3: Cross multiply
    12,882,824.72x = 17,786,858.96 × 9,897,210.62
  4. Step 4: Simplify right side
    12,882,824.72x = 176,040,289,395,354.16
  5. Step 5: Solve for x
    x = 176,040,289,395,354.16/12,882,824.72
  6. Step 6: Final answer
    x = 13,664,727.51

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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.