Home / 11,957,309.60-17,938,811.60-3,870,286.72

Finding the Fourth Proportional to 11,957,309.60, 17,938,811.60 and 3,870,286.72

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Solution

The fourth proportional to 11,957,309.60, 17,938,811.60 and 3,870,286.72 is: 5,806,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957,309.60 : 17,938,811.60 = 3,870,286.72 : x
  2. Step 2: Convert to fraction form
    11,957,309.60/17,938,811.60 = 3,870,286.72/x
  3. Step 3: Cross multiply
    11,957,309.60x = 17,938,811.60 × 3,870,286.72
  4. Step 4: Simplify right side
    11,957,309.60x = 69,428,344,308,061.96
  5. Step 5: Solve for x
    x = 69,428,344,308,061.96/11,957,309.60
  6. Step 6: Final answer
    x = 5,806,351.65

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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.