Home / 10,138,544.68-15,208,011.42-3,315,143.56

Finding the Fourth Proportional to 10,138,544.68, 15,208,011.42 and 3,315,143.56

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Solution

The fourth proportional to 10,138,544.68, 15,208,011.42 and 3,315,143.56 is: 4,972,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,544.68 : 15,208,011.42 = 3,315,143.56 : x
  2. Step 2: Convert to fraction form
    10,138,544.68/15,208,011.42 = 3,315,143.56/x
  3. Step 3: Cross multiply
    10,138,544.68x = 15,208,011.42 × 3,315,143.56
  4. Step 4: Simplify right side
    10,138,544.68x = 50,416,741,119,419.45
  5. Step 5: Solve for x
    x = 50,416,741,119,419.45/10,138,544.68
  6. Step 6: Final answer
    x = 4,972,778.91

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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.