Home / 7,239,736.40-10,859,438.55-3,644,537.90

Finding the Fourth Proportional to 7,239,736.40, 10,859,438.55 and 3,644,537.90

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Solution

The fourth proportional to 7,239,736.40, 10,859,438.55 and 3,644,537.90 is: 5,466,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,736.40 : 10,859,438.55 = 3,644,537.90 : x
  2. Step 2: Convert to fraction form
    7,239,736.40/10,859,438.55 = 3,644,537.90/x
  3. Step 3: Cross multiply
    7,239,736.40x = 10,859,438.55 × 3,644,537.90
  4. Step 4: Simplify right side
    7,239,736.40x = 39,577,635,368,196.05
  5. Step 5: Solve for x
    x = 39,577,635,368,196.05/7,239,736.40
  6. Step 6: Final answer
    x = 5,466,723.26

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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.