Home / 10,128,727.55-15,195,508.32-3,305,313.42

Finding the Fourth Proportional to 10,128,727.55, 15,195,508.32 and 3,305,313.42

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Solution

The fourth proportional to 10,128,727.55, 15,195,508.32 and 3,305,313.42 is: 4,958,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,727.55 : 15,195,508.32 = 3,305,313.42 : x
  2. Step 2: Convert to fraction form
    10,128,727.55/15,195,508.32 = 3,305,313.42/x
  3. Step 3: Cross multiply
    10,128,727.55x = 15,195,508.32 × 3,305,313.42
  4. Step 4: Simplify right side
    10,128,727.55x = 50,225,917,573,817.66
  5. Step 5: Solve for x
    x = 50,225,917,573,817.66/10,128,727.55
  6. Step 6: Final answer
    x = 4,958,758.87

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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.