Home / 20,159,203.40-30,250,614.90-7,380,999.80

Finding the Fourth Proportional to 20,159,203.40, 30,250,614.90 and 7,380,999.80

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Solution

The fourth proportional to 20,159,203.40, 30,250,614.90 and 7,380,999.80 is: 11,075,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,203.40 : 30,250,614.90 = 7,380,999.80 : x
  2. Step 2: Convert to fraction form
    20,159,203.40/30,250,614.90 = 7,380,999.80/x
  3. Step 3: Cross multiply
    20,159,203.40x = 30,250,614.90 × 7,380,999.80
  4. Step 4: Simplify right side
    20,159,203.40x = 223,279,782,526,777
  5. Step 5: Solve for x
    x = 223,279,782,526,777/20,159,203.40
  6. Step 6: Final answer
    x = 11,075,823.69

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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.