Home / 18,743,428.50-25,858,300.45-12,214,679.46

Finding the Fourth Proportional to 18,743,428.50, 25,858,300.45 and 12,214,679.46

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Solution

The fourth proportional to 18,743,428.50, 25,858,300.45 and 12,214,679.46 is: 16,851,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743,428.50 : 25,858,300.45 = 12,214,679.46 : x
  2. Step 2: Convert to fraction form
    18,743,428.50/25,858,300.45 = 12,214,679.46/x
  3. Step 3: Cross multiply
    18,743,428.50x = 25,858,300.45 × 12,214,679.46
  4. Step 4: Simplify right side
    18,743,428.50x = 315,850,851,452,335.19
  5. Step 5: Solve for x
    x = 315,850,851,452,335.19/18,743,428.50
  6. Step 6: Final answer
    x = 16,851,284.78

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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.