Home / 13,627,580.20-20,441,370.29-5,538,660.66

Finding the Fourth Proportional to 13,627,580.20, 20,441,370.29 and 5,538,660.66

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Solution

The fourth proportional to 13,627,580.20, 20,441,370.29 and 5,538,660.66 is: 8,307,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627,580.20 : 20,441,370.29 = 5,538,660.66 : x
  2. Step 2: Convert to fraction form
    13,627,580.20/20,441,370.29 = 5,538,660.66/x
  3. Step 3: Cross multiply
    13,627,580.20x = 20,441,370.29 × 5,538,660.66
  4. Step 4: Simplify right side
    13,627,580.20x = 113,217,813,461,715.80
  5. Step 5: Solve for x
    x = 113,217,813,461,715.80/13,627,580.20
  6. Step 6: Final answer
    x = 8,307,990.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.