Home / 18,672,290.28-25,768,217.34-10,412,273.16

Finding the Fourth Proportional to 18,672,290.28, 25,768,217.34 and 10,412,273.16

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Solution

The fourth proportional to 18,672,290.28, 25,768,217.34 and 10,412,273.16 is: 14,369,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672,290.28 : 25,768,217.34 = 10,412,273.16 : x
  2. Step 2: Convert to fraction form
    18,672,290.28/25,768,217.34 = 10,412,273.16/x
  3. Step 3: Cross multiply
    18,672,290.28x = 25,768,217.34 × 10,412,273.16
  4. Step 4: Simplify right side
    18,672,290.28x = 268,305,717,790,328.59
  5. Step 5: Solve for x
    x = 268,305,717,790,328.59/18,672,290.28
  6. Step 6: Final answer
    x = 14,369,191.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.