Home / 13,336,835.97-18,404,718.15-7,225,249.89

Finding the Fourth Proportional to 13,336,835.97, 18,404,718.15 and 7,225,249.89

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Solution

The fourth proportional to 13,336,835.97, 18,404,718.15 and 7,225,249.89 is: 9,970,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336,835.97 : 18,404,718.15 = 7,225,249.89 : x
  2. Step 2: Convert to fraction form
    13,336,835.97/18,404,718.15 = 7,225,249.89/x
  3. Step 3: Cross multiply
    13,336,835.97x = 18,404,718.15 × 7,225,249.89
  4. Step 4: Simplify right side
    13,336,835.97x = 132,978,687,788,768.48
  5. Step 5: Solve for x
    x = 132,978,687,788,768.48/13,336,835.97
  6. Step 6: Final answer
    x = 9,970,782.28

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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.