Home / 13,280,062.82-18,326,524.64-7,699,393.86

Finding the Fourth Proportional to 13,280,062.82, 18,326,524.64 and 7,699,393.86

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Solution

The fourth proportional to 13,280,062.82, 18,326,524.64 and 7,699,393.86 is: 10,625,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,062.82 : 18,326,524.64 = 7,699,393.86 : x
  2. Step 2: Convert to fraction form
    13,280,062.82/18,326,524.64 = 7,699,393.86/x
  3. Step 3: Cross multiply
    13,280,062.82x = 18,326,524.64 × 7,699,393.86
  4. Step 4: Simplify right side
    13,280,062.82x = 141,103,131,249,857.75
  5. Step 5: Solve for x
    x = 141,103,131,249,857.75/13,280,062.82
  6. Step 6: Final answer
    x = 10,625,185.53

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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.