Home / 28,331,436.80-42,514,651.20-11,290,332.80

Finding the Fourth Proportional to 28,331,436.80, 42,514,651.20 and 11,290,332.80

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Solution

The fourth proportional to 28,331,436.80, 42,514,651.20 and 11,290,332.80 is: 16,942,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,436.80 : 42,514,651.20 = 11,290,332.80 : x
  2. Step 2: Convert to fraction form
    28,331,436.80/42,514,651.20 = 11,290,332.80/x
  3. Step 3: Cross multiply
    28,331,436.80x = 42,514,651.20 × 11,290,332.80
  4. Step 4: Simplify right side
    28,331,436.80x = 480,004,560,923,919.44
  5. Step 5: Solve for x
    x = 480,004,560,923,919.44/28,331,436.80
  6. Step 6: Final answer
    x = 16,942,471.51

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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.