Home / 13,149,185.96-19,728,208.56-8,285,845.52

Finding the Fourth Proportional to 13,149,185.96, 19,728,208.56 and 8,285,845.52

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Solution

The fourth proportional to 13,149,185.96, 19,728,208.56 and 8,285,845.52 is: 12,431,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,185.96 : 19,728,208.56 = 8,285,845.52 : x
  2. Step 2: Convert to fraction form
    13,149,185.96/19,728,208.56 = 8,285,845.52/x
  3. Step 3: Cross multiply
    13,149,185.96x = 19,728,208.56 × 8,285,845.52
  4. Step 4: Simplify right side
    13,149,185.96x = 163,464,888,514,501.62
  5. Step 5: Solve for x
    x = 163,464,888,514,501.62/13,149,185.96
  6. Step 6: Final answer
    x = 12,431,559.57

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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.