Home / 20,270,692.62-30,409,950.90-6,620,169.24

Finding the Fourth Proportional to 20,270,692.62, 30,409,950.90 and 6,620,169.24

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Solution

The fourth proportional to 20,270,692.62, 30,409,950.90 and 6,620,169.24 is: 9,931,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270,692.62 : 30,409,950.90 = 6,620,169.24 : x
  2. Step 2: Convert to fraction form
    20,270,692.62/30,409,950.90 = 6,620,169.24/x
  3. Step 3: Cross multiply
    20,270,692.62x = 30,409,950.90 × 6,620,169.24
  4. Step 4: Simplify right side
    20,270,692.62x = 201,319,021,538,090.31
  5. Step 5: Solve for x
    x = 201,319,021,538,090.31/20,270,692.62
  6. Step 6: Final answer
    x = 9,931,531.46

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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.