Home / 13,561,359.40-18,696,867.82-9,786,253.62

Finding the Fourth Proportional to 13,561,359.40, 18,696,867.82 and 9,786,253.62

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Solution

The fourth proportional to 13,561,359.40, 18,696,867.82 and 9,786,253.62 is: 13,492,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,359.40 : 18,696,867.82 = 9,786,253.62 : x
  2. Step 2: Convert to fraction form
    13,561,359.40/18,696,867.82 = 9,786,253.62/x
  3. Step 3: Cross multiply
    13,561,359.40x = 18,696,867.82 × 9,786,253.62
  4. Step 4: Simplify right side
    13,561,359.40x = 182,972,290,386,136.50
  5. Step 5: Solve for x
    x = 182,972,290,386,136.50/13,561,359.40
  6. Step 6: Final answer
    x = 13,492,179.14

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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.