Home / 10,673,331.36-16,012,986.40-4,288,067.76

Finding the Fourth Proportional to 10,673,331.36, 16,012,986.40 and 4,288,067.76

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Solution

The fourth proportional to 10,673,331.36, 16,012,986.40 and 4,288,067.76 is: 6,433,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673,331.36 : 16,012,986.40 = 4,288,067.76 : x
  2. Step 2: Convert to fraction form
    10,673,331.36/16,012,986.40 = 4,288,067.76/x
  3. Step 3: Cross multiply
    10,673,331.36x = 16,012,986.40 × 4,288,067.76
  4. Step 4: Simplify right side
    10,673,331.36x = 68,664,770,723,158.46
  5. Step 5: Solve for x
    x = 68,664,770,723,158.46/10,673,331.36
  6. Step 6: Final answer
    x = 6,433,302.63

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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.