Home / 8,146,880.73-12,220,319.25-2,081,623.86

Finding the Fourth Proportional to 8,146,880.73, 12,220,319.25 and 2,081,623.86

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Solution

The fourth proportional to 8,146,880.73, 12,220,319.25 and 2,081,623.86 is: 3,122,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146,880.73 : 12,220,319.25 = 2,081,623.86 : x
  2. Step 2: Convert to fraction form
    8,146,880.73/12,220,319.25 = 2,081,623.86/x
  3. Step 3: Cross multiply
    8,146,880.73x = 12,220,319.25 × 2,081,623.86
  4. Step 4: Simplify right side
    8,146,880.73x = 25,438,108,127,617.30
  5. Step 5: Solve for x
    x = 25,438,108,127,617.30/8,146,880.73
  6. Step 6: Final answer
    x = 3,122,435.32

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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.