Home / 13,204,543.40-19,806,815.10-5,526,861.20

Finding the Fourth Proportional to 13,204,543.40, 19,806,815.10 and 5,526,861.20

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Solution

The fourth proportional to 13,204,543.40, 19,806,815.10 and 5,526,861.20 is: 8,290,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,543.40 : 19,806,815.10 = 5,526,861.20 : x
  2. Step 2: Convert to fraction form
    13,204,543.40/19,806,815.10 = 5,526,861.20/x
  3. Step 3: Cross multiply
    13,204,543.40x = 19,806,815.10 × 5,526,861.20
  4. Step 4: Simplify right side
    13,204,543.40x = 109,469,517,871,764.12
  5. Step 5: Solve for x
    x = 109,469,517,871,764.12/13,204,543.40
  6. Step 6: Final answer
    x = 8,290,291.80

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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.