Home / 8,872,671.80-13,309,007.70-3,190,845.80

Finding the Fourth Proportional to 8,872,671.80, 13,309,007.70 and 3,190,845.80

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Solution

The fourth proportional to 8,872,671.80, 13,309,007.70 and 3,190,845.80 is: 4,786,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872,671.80 : 13,309,007.70 = 3,190,845.80 : x
  2. Step 2: Convert to fraction form
    8,872,671.80/13,309,007.70 = 3,190,845.80/x
  3. Step 3: Cross multiply
    8,872,671.80x = 13,309,007.70 × 3,190,845.80
  4. Step 4: Simplify right side
    8,872,671.80x = 42,466,991,321,712.66
  5. Step 5: Solve for x
    x = 42,466,991,321,712.66/8,872,671.80
  6. Step 6: Final answer
    x = 4,786,268.70

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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.