Home / 12,936,883.46-17,852,586.30-7,135,540.64

Finding the Fourth Proportional to 12,936,883.46, 17,852,586.30 and 7,135,540.64

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Solution

The fourth proportional to 12,936,883.46, 17,852,586.30 and 7,135,540.64 is: 9,846,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,883.46 : 17,852,586.30 = 7,135,540.64 : x
  2. Step 2: Convert to fraction form
    12,936,883.46/17,852,586.30 = 7,135,540.64/x
  3. Step 3: Cross multiply
    12,936,883.46x = 17,852,586.30 × 7,135,540.64
  4. Step 4: Simplify right side
    12,936,883.46x = 127,387,855,150,862.31
  5. Step 5: Solve for x
    x = 127,387,855,150,862.31/12,936,883.46
  6. Step 6: Final answer
    x = 9,846,873.52

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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.