Home / 20,023,796.49-30,038,692.97-7,247,290.54

Finding the Fourth Proportional to 20,023,796.49, 30,038,692.97 and 7,247,290.54

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Solution

The fourth proportional to 20,023,796.49, 30,038,692.97 and 7,247,290.54 is: 10,872,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023,796.49 : 30,038,692.97 = 7,247,290.54 : x
  2. Step 2: Convert to fraction form
    20,023,796.49/30,038,692.97 = 7,247,290.54/x
  3. Step 3: Cross multiply
    20,023,796.49x = 30,038,692.97 × 7,247,290.54
  4. Step 4: Simplify right side
    20,023,796.49x = 217,699,135,395,445.50
  5. Step 5: Solve for x
    x = 217,699,135,395,445.50/20,023,796.49
  6. Step 6: Final answer
    x = 10,872,020.97

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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.