Home / 7,128,087.60-10,691,594.28-2,270,198.16

Finding the Fourth Proportional to 7,128,087.60, 10,691,594.28 and 2,270,198.16

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Solution

The fourth proportional to 7,128,087.60, 10,691,594.28 and 2,270,198.16 is: 3,405,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,087.60 : 10,691,594.28 = 2,270,198.16 : x
  2. Step 2: Convert to fraction form
    7,128,087.60/10,691,594.28 = 2,270,198.16/x
  3. Step 3: Cross multiply
    7,128,087.60x = 10,691,594.28 × 2,270,198.16
  4. Step 4: Simplify right side
    7,128,087.60x = 24,272,037,661,922.52
  5. Step 5: Solve for x
    x = 24,272,037,661,922.52/7,128,087.60
  6. Step 6: Final answer
    x = 3,405,126.17

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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.