Home / 7,912,741.36-11,868,982.22-2,521,318.82

Finding the Fourth Proportional to 7,912,741.36, 11,868,982.22 and 2,521,318.82

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Solution

The fourth proportional to 7,912,741.36, 11,868,982.22 and 2,521,318.82 is: 3,781,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,741.36 : 11,868,982.22 = 2,521,318.82 : x
  2. Step 2: Convert to fraction form
    7,912,741.36/11,868,982.22 = 2,521,318.82/x
  3. Step 3: Cross multiply
    7,912,741.36x = 11,868,982.22 × 2,521,318.82
  4. Step 4: Simplify right side
    7,912,741.36x = 29,925,488,245,531.38
  5. Step 5: Solve for x
    x = 29,925,488,245,531.38/7,912,741.36
  6. Step 6: Final answer
    x = 3,781,936.86

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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.