Home / 12,083,382.56-18,122,444.40-3,994,447.20

Finding the Fourth Proportional to 12,083,382.56, 18,122,444.40 and 3,994,447.20

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Solution

The fourth proportional to 12,083,382.56, 18,122,444.40 and 3,994,447.20 is: 5,990,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,382.56 : 18,122,444.40 = 3,994,447.20 : x
  2. Step 2: Convert to fraction form
    12,083,382.56/18,122,444.40 = 3,994,447.20/x
  3. Step 3: Cross multiply
    12,083,382.56x = 18,122,444.40 × 3,994,447.20
  4. Step 4: Simplify right side
    12,083,382.56x = 72,389,147,290,735.67
  5. Step 5: Solve for x
    x = 72,389,147,290,735.67/12,083,382.56
  6. Step 6: Final answer
    x = 5,990,801.58

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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.