Home / 28,912,170.62-39,898,419-16,522,123.08

Finding the Fourth Proportional to 28,912,170.62, 39,898,419 and 16,522,123.08

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Solution

The fourth proportional to 28,912,170.62, 39,898,419 and 16,522,123.08 is: 22,800,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,170.62 : 39,898,419 = 16,522,123.08 : x
  2. Step 2: Convert to fraction form
    28,912,170.62/39,898,419 = 16,522,123.08/x
  3. Step 3: Cross multiply
    28,912,170.62x = 39,898,419 × 16,522,123.08
  4. Step 4: Simplify right side
    28,912,170.62x = 659,206,589,415,410.50
  5. Step 5: Solve for x
    x = 659,206,589,415,410.50/28,912,170.62
  6. Step 6: Final answer
    x = 22,800,314.72

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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.