Home / 20,442,242.04-30,676,999.18-10,603,373.28

Finding the Fourth Proportional to 20,442,242.04, 30,676,999.18 and 10,603,373.28

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Solution

The fourth proportional to 20,442,242.04, 30,676,999.18 and 10,603,373.28 is: 15,912,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442,242.04 : 30,676,999.18 = 10,603,373.28 : x
  2. Step 2: Convert to fraction form
    20,442,242.04/30,676,999.18 = 10,603,373.28/x
  3. Step 3: Cross multiply
    20,442,242.04x = 30,676,999.18 × 10,603,373.28
  4. Step 4: Simplify right side
    20,442,242.04x = 325,279,673,415,793.88
  5. Step 5: Solve for x
    x = 325,279,673,415,793.88/20,442,242.04
  6. Step 6: Final answer
    x = 15,912,132.96

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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.