Home / 8,320,922.60-12,472,052.70-4,275,847.40

Finding the Fourth Proportional to 8,320,922.60, 12,472,052.70 and 4,275,847.40

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Solution

The fourth proportional to 8,320,922.60, 12,472,052.70 and 4,275,847.40 is: 6,408,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,922.60 : 12,472,052.70 = 4,275,847.40 : x
  2. Step 2: Convert to fraction form
    8,320,922.60/12,472,052.70 = 4,275,847.40/x
  3. Step 3: Cross multiply
    8,320,922.60x = 12,472,052.70 × 4,275,847.40
  4. Step 4: Simplify right side
    8,320,922.60x = 53,328,594,109,957.98
  5. Step 5: Solve for x
    x = 53,328,594,109,957.98/8,320,922.60
  6. Step 6: Final answer
    x = 6,408,976.10

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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.