Home / 18,843,600.90-28,265,401.35-15,761,243.10

Finding the Fourth Proportional to 18,843,600.90, 28,265,401.35 and 15,761,243.10

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Solution

The fourth proportional to 18,843,600.90, 28,265,401.35 and 15,761,243.10 is: 23,641,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843,600.90 : 28,265,401.35 = 15,761,243.10 : x
  2. Step 2: Convert to fraction form
    18,843,600.90/28,265,401.35 = 15,761,243.10/x
  3. Step 3: Cross multiply
    18,843,600.90x = 28,265,401.35 × 15,761,243.10
  4. Step 4: Simplify right side
    18,843,600.90x = 445,497,861,996,418.19
  5. Step 5: Solve for x
    x = 445,497,861,996,418.19/18,843,600.90
  6. Step 6: Final answer
    x = 23,641,864.65

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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.