Home / 13,282,142.68-19,923,219.42-10,253,929.72

Finding the Fourth Proportional to 13,282,142.68, 19,923,219.42 and 10,253,929.72

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Solution

The fourth proportional to 13,282,142.68, 19,923,219.42 and 10,253,929.72 is: 15,380,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282,142.68 : 19,923,219.42 = 10,253,929.72 : x
  2. Step 2: Convert to fraction form
    13,282,142.68/19,923,219.42 = 10,253,929.72/x
  3. Step 3: Cross multiply
    13,282,142.68x = 19,923,219.42 × 10,253,929.72
  4. Step 4: Simplify right side
    13,282,142.68x = 204,291,291,728,819.19
  5. Step 5: Solve for x
    x = 204,291,291,728,819.19/13,282,142.68
  6. Step 6: Final answer
    x = 15,380,898.75

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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.