Home / 52,218,450.28-78,327,589.72-13,879,964.80

Finding the Fourth Proportional to 52,218,450.28, 78,327,589.72 and 13,879,964.80

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Solution

The fourth proportional to 52,218,450.28, 78,327,589.72 and 13,879,964.80 is: 20,819,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218,450.28 : 78,327,589.72 = 13,879,964.80 : x
  2. Step 2: Convert to fraction form
    52,218,450.28/78,327,589.72 = 13,879,964.80/x
  3. Step 3: Cross multiply
    52,218,450.28x = 78,327,589.72 × 13,879,964.80
  4. Step 4: Simplify right side
    52,218,450.28x = 1,087,184,188,182,441.88
  5. Step 5: Solve for x
    x = 1,087,184,188,182,441.88/52,218,450.28
  6. Step 6: Final answer
    x = 20,819,924.42

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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.