Home / 20,159,202.90-30,250,614.15-7,380,999.30

Finding the Fourth Proportional to 20,159,202.90, 30,250,614.15 and 7,380,999.30

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Solution

The fourth proportional to 20,159,202.90, 30,250,614.15 and 7,380,999.30 is: 11,075,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,202.90 : 30,250,614.15 = 7,380,999.30 : x
  2. Step 2: Convert to fraction form
    20,159,202.90/30,250,614.15 = 7,380,999.30/x
  3. Step 3: Cross multiply
    20,159,202.90x = 30,250,614.15 × 7,380,999.30
  4. Step 4: Simplify right side
    20,159,202.90x = 223,279,761,865,720.09
  5. Step 5: Solve for x
    x = 223,279,761,865,720.09/20,159,202.90
  6. Step 6: Final answer
    x = 11,075,822.94

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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.