Home / 13,380,692.40-20,071,800-3,795,314.40

Finding the Fourth Proportional to 13,380,692.40, 20,071,800 and 3,795,314.40

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Solution

The fourth proportional to 13,380,692.40, 20,071,800 and 3,795,314.40 is: 5,693,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,692.40 : 20,071,800 = 3,795,314.40 : x
  2. Step 2: Convert to fraction form
    13,380,692.40/20,071,800 = 3,795,314.40/x
  3. Step 3: Cross multiply
    13,380,692.40x = 20,071,800 × 3,795,314.40
  4. Step 4: Simplify right side
    13,380,692.40x = 76,178,791,573,920
  5. Step 5: Solve for x
    x = 76,178,791,573,920/13,380,692.40
  6. Step 6: Final answer
    x = 5,693,187.56

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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.