Home / 28,508,623.80-39,347,616.30-16,912,623.80

Finding the Fourth Proportional to 28,508,623.80, 39,347,616.30 and 16,912,623.80

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Solution

The fourth proportional to 28,508,623.80, 39,347,616.30 and 16,912,623.80 is: 23,342,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,623.80 : 39,347,616.30 = 16,912,623.80 : x
  2. Step 2: Convert to fraction form
    28,508,623.80/39,347,616.30 = 16,912,623.80/x
  3. Step 3: Cross multiply
    28,508,623.80x = 39,347,616.30 × 16,912,623.80
  4. Step 4: Simplify right side
    28,508,623.80x = 665,471,431,908,647.88
  5. Step 5: Solve for x
    x = 665,471,431,908,647.88/28,508,623.80
  6. Step 6: Final answer
    x = 23,342,811.51

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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.