Home / 12,233,806.80-16,883,729.13-6,728,151.86

Finding the Fourth Proportional to 12,233,806.80, 16,883,729.13 and 6,728,151.86

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Solution

The fourth proportional to 12,233,806.80, 16,883,729.13 and 6,728,151.86 is: 9,285,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233,806.80 : 16,883,729.13 = 6,728,151.86 : x
  2. Step 2: Convert to fraction form
    12,233,806.80/16,883,729.13 = 6,728,151.86/x
  3. Step 3: Cross multiply
    12,233,806.80x = 16,883,729.13 × 6,728,151.86
  4. Step 4: Simplify right side
    12,233,806.80x = 113,596,293,465,327.03
  5. Step 5: Solve for x
    x = 113,596,293,465,327.03/12,233,806.80
  6. Step 6: Final answer
    x = 9,285,441.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.