Home / 20,442,241.04-30,676,997.68-10,603,372.28

Finding the Fourth Proportional to 20,442,241.04, 30,676,997.68 and 10,603,372.28

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Solution

The fourth proportional to 20,442,241.04, 30,676,997.68 and 10,603,372.28 is: 15,912,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442,241.04 : 30,676,997.68 = 10,603,372.28 : x
  2. Step 2: Convert to fraction form
    20,442,241.04/30,676,997.68 = 10,603,372.28/x
  3. Step 3: Cross multiply
    20,442,241.04x = 30,676,997.68 × 10,603,372.28
  4. Step 4: Simplify right side
    20,442,241.04x = 325,279,626,833,736.31
  5. Step 5: Solve for x
    x = 325,279,626,833,736.31/20,442,241.04
  6. Step 6: Final answer
    x = 15,912,131.46

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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.