Home / 8,249,824.50-12,375,072.12-3,929,653.86

Finding the Fourth Proportional to 8,249,824.50, 12,375,072.12 and 3,929,653.86

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Solution

The fourth proportional to 8,249,824.50, 12,375,072.12 and 3,929,653.86 is: 5,894,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249,824.50 : 12,375,072.12 = 3,929,653.86 : x
  2. Step 2: Convert to fraction form
    8,249,824.50/12,375,072.12 = 3,929,653.86/x
  3. Step 3: Cross multiply
    8,249,824.50x = 12,375,072.12 × 3,929,653.86
  4. Step 4: Simplify right side
    8,249,824.50x = 48,629,749,924,136.38
  5. Step 5: Solve for x
    x = 48,629,749,924,136.38/8,249,824.50
  6. Step 6: Final answer
    x = 5,894,640.54

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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.