Home / 31,153,912.25-42,992,751.44-17,215,209.90

Finding the Fourth Proportional to 31,153,912.25, 42,992,751.44 and 17,215,209.90

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Solution

The fourth proportional to 31,153,912.25, 42,992,751.44 and 17,215,209.90 is: 23,757,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,153,912.25 : 42,992,751.44 = 17,215,209.90 : x
  2. Step 2: Convert to fraction form
    31,153,912.25/42,992,751.44 = 17,215,209.90/x
  3. Step 3: Cross multiply
    31,153,912.25x = 42,992,751.44 × 17,215,209.90
  4. Step 4: Simplify right side
    31,153,912.25x = 740,129,240,261,165.25
  5. Step 5: Solve for x
    x = 740,129,240,261,165.25/31,153,912.25
  6. Step 6: Final answer
    x = 23,757,184.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.