Home / 13,482,074.79-20,220,118.43-3,895,355.43

Finding the Fourth Proportional to 13,482,074.79, 20,220,118.43 and 3,895,355.43

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Solution

The fourth proportional to 13,482,074.79, 20,220,118.43 and 3,895,355.43 is: 5,842,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482,074.79 : 20,220,118.43 = 3,895,355.43 : x
  2. Step 2: Convert to fraction form
    13,482,074.79/20,220,118.43 = 3,895,355.43/x
  3. Step 3: Cross multiply
    13,482,074.79x = 20,220,118.43 × 3,895,355.43
  4. Step 4: Simplify right side
    13,482,074.79x = 78,764,548,102,066.80
  5. Step 5: Solve for x
    x = 78,764,548,102,066.80/13,482,074.79
  6. Step 6: Final answer
    x = 5,842,168.16

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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.