Home / 8,656,420.10-12,984,630.15-8,325,745.70

Finding the Fourth Proportional to 8,656,420.10, 12,984,630.15 and 8,325,745.70

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Solution

The fourth proportional to 8,656,420.10, 12,984,630.15 and 8,325,745.70 is: 12,488,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,420.10 : 12,984,630.15 = 8,325,745.70 : x
  2. Step 2: Convert to fraction form
    8,656,420.10/12,984,630.15 = 8,325,745.70/x
  3. Step 3: Cross multiply
    8,656,420.10x = 12,984,630.15 × 8,325,745.70
  4. Step 4: Simplify right side
    8,656,420.10x = 108,106,728,637,452.86
  5. Step 5: Solve for x
    x = 108,106,728,637,452.86/8,656,420.10
  6. Step 6: Final answer
    x = 12,488,618.55

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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.