Home / 12,339,746.55-18,511,342.09-5,149,632.31

Finding the Fourth Proportional to 12,339,746.55, 18,511,342.09 and 5,149,632.31

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Solution

The fourth proportional to 12,339,746.55, 18,511,342.09 and 5,149,632.31 is: 7,725,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339,746.55 : 18,511,342.09 = 5,149,632.31 : x
  2. Step 2: Convert to fraction form
    12,339,746.55/18,511,342.09 = 5,149,632.31/x
  3. Step 3: Cross multiply
    12,339,746.55x = 18,511,342.09 × 5,149,632.31
  4. Step 4: Simplify right side
    12,339,746.55x = 95,326,605,268,974.48
  5. Step 5: Solve for x
    x = 95,326,605,268,974.48/12,339,746.55
  6. Step 6: Final answer
    x = 7,725,167.20

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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.