Home / 12,229,938.12-18,347,113.62-5,037,546.36

Finding the Fourth Proportional to 12,229,938.12, 18,347,113.62 and 5,037,546.36

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Solution

The fourth proportional to 12,229,938.12, 18,347,113.62 and 5,037,546.36 is: 7,557,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229,938.12 : 18,347,113.62 = 5,037,546.36 : x
  2. Step 2: Convert to fraction form
    12,229,938.12/18,347,113.62 = 5,037,546.36/x
  3. Step 3: Cross multiply
    12,229,938.12x = 18,347,113.62 × 5,037,546.36
  4. Step 4: Simplify right side
    12,229,938.12x = 92,424,435,432,937.44
  5. Step 5: Solve for x
    x = 92,424,435,432,937.44/12,229,938.12
  6. Step 6: Final answer
    x = 7,557,228.38

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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.