Home / 13,320,292.42-18,382,003.37-7,208,720.92

Finding the Fourth Proportional to 13,320,292.42, 18,382,003.37 and 7,208,720.92

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Solution

The fourth proportional to 13,320,292.42, 18,382,003.37 and 7,208,720.92 is: 9,948,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,292.42 : 18,382,003.37 = 7,208,720.92 : x
  2. Step 2: Convert to fraction form
    13,320,292.42/18,382,003.37 = 7,208,720.92/x
  3. Step 3: Cross multiply
    13,320,292.42x = 18,382,003.37 × 7,208,720.92
  4. Step 4: Simplify right side
    13,320,292.42x = 132,510,732,244,829.50
  5. Step 5: Solve for x
    x = 132,510,732,244,829.50/13,320,292.42
  6. Step 6: Final answer
    x = 9,948,034.78

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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.