Home / 12,438,087.57-18,659,788.55-4,351,327.02

Finding the Fourth Proportional to 12,438,087.57, 18,659,788.55 and 4,351,327.02

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Solution

The fourth proportional to 12,438,087.57, 18,659,788.55 and 4,351,327.02 is: 6,527,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438,087.57 : 18,659,788.55 = 4,351,327.02 : x
  2. Step 2: Convert to fraction form
    12,438,087.57/18,659,788.55 = 4,351,327.02/x
  3. Step 3: Cross multiply
    12,438,087.57x = 18,659,788.55 × 4,351,327.02
  4. Step 4: Simplify right side
    12,438,087.57x = 81,194,842,083,344.98
  5. Step 5: Solve for x
    x = 81,194,842,083,344.98/12,438,087.57
  6. Step 6: Final answer
    x = 6,527,920.12

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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.