Home / 8,309,372.75-12,465,675.08-3,191,428.25

Finding the Fourth Proportional to 8,309,372.75, 12,465,675.08 and 3,191,428.25

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Solution

The fourth proportional to 8,309,372.75, 12,465,675.08 and 3,191,428.25 is: 4,787,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,372.75 : 12,465,675.08 = 3,191,428.25 : x
  2. Step 2: Convert to fraction form
    8,309,372.75/12,465,675.08 = 3,191,428.25/x
  3. Step 3: Cross multiply
    8,309,372.75x = 12,465,675.08 × 3,191,428.25
  4. Step 4: Simplify right side
    8,309,372.75x = 39,783,307,589,675.87
  5. Step 5: Solve for x
    x = 39,783,307,589,675.87/8,309,372.75
  6. Step 6: Final answer
    x = 4,787,763.02

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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.