Home / 8,309,369.75-12,465,670.58-3,191,425.25

Finding the Fourth Proportional to 8,309,369.75, 12,465,670.58 and 3,191,425.25

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Solution

The fourth proportional to 8,309,369.75, 12,465,670.58 and 3,191,425.25 is: 4,787,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,369.75 : 12,465,670.58 = 3,191,425.25 : x
  2. Step 2: Convert to fraction form
    8,309,369.75/12,465,670.58 = 3,191,425.25/x
  3. Step 3: Cross multiply
    8,309,369.75x = 12,465,670.58 × 3,191,425.25
  4. Step 4: Simplify right side
    8,309,369.75x = 39,783,255,831,237.02
  5. Step 5: Solve for x
    x = 39,783,255,831,237.02/8,309,369.75
  6. Step 6: Final answer
    x = 4,787,758.52

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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.