Home / 8,305,153.60-12,448,873.05-3,185,605.30

Finding the Fourth Proportional to 8,305,153.60, 12,448,873.05 and 3,185,605.30

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Solution

The fourth proportional to 8,305,153.60, 12,448,873.05 and 3,185,605.30 is: 4,775,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,153.60 : 12,448,873.05 = 3,185,605.30 : x
  2. Step 2: Convert to fraction form
    8,305,153.60/12,448,873.05 = 3,185,605.30/x
  3. Step 3: Cross multiply
    8,305,153.60x = 12,448,873.05 × 3,185,605.30
  4. Step 4: Simplify right side
    8,305,153.60x = 39,657,195,967,107.16
  5. Step 5: Solve for x
    x = 39,657,195,967,107.16/8,305,153.60
  6. Step 6: Final answer
    x = 4,775,010.54

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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.