Home / 12,083,384.56-18,122,447.40-3,994,449.20

Finding the Fourth Proportional to 12,083,384.56, 18,122,447.40 and 3,994,449.20

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Solution

The fourth proportional to 12,083,384.56, 18,122,447.40 and 3,994,449.20 is: 5,990,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,384.56 : 18,122,447.40 = 3,994,449.20 : x
  2. Step 2: Convert to fraction form
    12,083,384.56/18,122,447.40 = 3,994,449.20/x
  3. Step 3: Cross multiply
    12,083,384.56x = 18,122,447.40 × 3,994,449.20
  4. Step 4: Simplify right side
    12,083,384.56x = 72,389,195,518,972.08
  5. Step 5: Solve for x
    x = 72,389,195,518,972.08/12,083,384.56
  6. Step 6: Final answer
    x = 5,990,804.58

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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.