Home / 8,604,891.20-12,907,336.80-8,472,180.80

Finding the Fourth Proportional to 8,604,891.20, 12,907,336.80 and 8,472,180.80

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Solution

The fourth proportional to 8,604,891.20, 12,907,336.80 and 8,472,180.80 is: 12,708,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604,891.20 : 12,907,336.80 = 8,472,180.80 : x
  2. Step 2: Convert to fraction form
    8,604,891.20/12,907,336.80 = 8,472,180.80/x
  3. Step 3: Cross multiply
    8,604,891.20x = 12,907,336.80 × 8,472,180.80
  4. Step 4: Simplify right side
    8,604,891.20x = 109,353,291,016,093.45
  5. Step 5: Solve for x
    x = 109,353,291,016,093.45/8,604,891.20
  6. Step 6: Final answer
    x = 12,708,271.20

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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.