Home / 20,442,228.56-30,676,979-10,603,359.80

Finding the Fourth Proportional to 20,442,228.56, 30,676,979 and 10,603,359.80

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Solution

The fourth proportional to 20,442,228.56, 30,676,979 and 10,603,359.80 is: 15,912,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442,228.56 : 30,676,979 = 10,603,359.80 : x
  2. Step 2: Convert to fraction form
    20,442,228.56/30,676,979 = 10,603,359.80/x
  3. Step 3: Cross multiply
    20,442,228.56x = 30,676,979 × 10,603,359.80
  4. Step 4: Simplify right side
    20,442,228.56x = 325,279,045,914,044.25
  5. Step 5: Solve for x
    x = 325,279,045,914,044.25/20,442,228.56
  6. Step 6: Final answer
    x = 15,912,112.76

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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.