Home / 20,176,452.27-27,835,503.80-12,428,057.07

Finding the Fourth Proportional to 20,176,452.27, 27,835,503.80 and 12,428,057.07

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Solution

The fourth proportional to 20,176,452.27, 27,835,503.80 and 12,428,057.07 is: 17,145,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176,452.27 : 27,835,503.80 = 12,428,057.07 : x
  2. Step 2: Convert to fraction form
    20,176,452.27/27,835,503.80 = 12,428,057.07/x
  3. Step 3: Cross multiply
    20,176,452.27x = 27,835,503.80 × 12,428,057.07
  4. Step 4: Simplify right side
    20,176,452.27x = 345,941,229,736,461.62
  5. Step 5: Solve for x
    x = 345,941,229,736,461.62/20,176,452.27
  6. Step 6: Final answer
    x = 17,145,790.80

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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.