Home / 12,004,722.56-16,560,317.76-8,135,920.64

Finding the Fourth Proportional to 12,004,722.56, 16,560,317.76 and 8,135,920.64

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Solution

The fourth proportional to 12,004,722.56, 16,560,317.76 and 8,135,920.64 is: 11,223,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004,722.56 : 16,560,317.76 = 8,135,920.64 : x
  2. Step 2: Convert to fraction form
    12,004,722.56/16,560,317.76 = 8,135,920.64/x
  3. Step 3: Cross multiply
    12,004,722.56x = 16,560,317.76 × 8,135,920.64
  4. Step 4: Simplify right side
    12,004,722.56x = 134,733,431,068,542.56
  5. Step 5: Solve for x
    x = 134,733,431,068,542.56/12,004,722.56
  6. Step 6: Final answer
    x = 11,223,369.00

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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.