Home / 8,472,324.60-12,694,490.10-7,212,612.60

Finding the Fourth Proportional to 8,472,324.60, 12,694,490.10 and 7,212,612.60

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Solution

The fourth proportional to 8,472,324.60, 12,694,490.10 and 7,212,612.60 is: 10,807,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472,324.60 : 12,694,490.10 = 7,212,612.60 : x
  2. Step 2: Convert to fraction form
    8,472,324.60/12,694,490.10 = 7,212,612.60/x
  3. Step 3: Cross multiply
    8,472,324.60x = 12,694,490.10 × 7,212,612.60
  4. Step 4: Simplify right side
    8,472,324.60x = 91,560,439,245,835.25
  5. Step 5: Solve for x
    x = 91,560,439,245,835.25/8,472,324.60
  6. Step 6: Final answer
    x = 10,807,003.22

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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.