Home / 13,817,278.42-20,682,786.90-10,178,110.42

Finding the Fourth Proportional to 13,817,278.42, 20,682,786.90 and 10,178,110.42

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Solution

The fourth proportional to 13,817,278.42, 20,682,786.90 and 10,178,110.42 is: 15,235,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817,278.42 : 20,682,786.90 = 10,178,110.42 : x
  2. Step 2: Convert to fraction form
    13,817,278.42/20,682,786.90 = 10,178,110.42/x
  3. Step 3: Cross multiply
    13,817,278.42x = 20,682,786.90 × 10,178,110.42
  4. Step 4: Simplify right side
    13,817,278.42x = 210,511,688,861,529.47
  5. Step 5: Solve for x
    x = 210,511,688,861,529.47/13,817,278.42
  6. Step 6: Final answer
    x = 15,235,394.59

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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.