Home / 11,129,634-16,689,589.56-3,938,778

Finding the Fourth Proportional to 11,129,634, 16,689,589.56 and 3,938,778

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Solution

The fourth proportional to 11,129,634, 16,689,589.56 and 3,938,778 is: 5,906,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129,634 : 16,689,589.56 = 3,938,778 : x
  2. Step 2: Convert to fraction form
    11,129,634/16,689,589.56 = 3,938,778/x
  3. Step 3: Cross multiply
    11,129,634x = 16,689,589.56 × 3,938,778
  4. Step 4: Simplify right side
    11,129,634x = 65,736,588,187,957.68
  5. Step 5: Solve for x
    x = 65,736,588,187,957.68/11,129,634
  6. Step 6: Final answer
    x = 5,906,446.54

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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.