Home / 10,284,811.20-15,428,266.56-3,552,350.40

Finding the Fourth Proportional to 10,284,811.20, 15,428,266.56 and 3,552,350.40

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Solution

The fourth proportional to 10,284,811.20, 15,428,266.56 and 3,552,350.40 is: 5,328,888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284,811.20 : 15,428,266.56 = 3,552,350.40 : x
  2. Step 2: Convert to fraction form
    10,284,811.20/15,428,266.56 = 3,552,350.40/x
  3. Step 3: Cross multiply
    10,284,811.20x = 15,428,266.56 × 3,552,350.40
  4. Step 4: Simplify right side
    10,284,811.20x = 54,806,608,885,722.62
  5. Step 5: Solve for x
    x = 54,806,608,885,722.62/10,284,811.20
  6. Step 6: Final answer
    x = 5,328,888.18

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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.