Home / 28,979,553.58-39,990,938.43-16,589,236.30

Finding the Fourth Proportional to 28,979,553.58, 39,990,938.43 and 16,589,236.30

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Solution

The fourth proportional to 28,979,553.58, 39,990,938.43 and 16,589,236.30 is: 22,892,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,553.58 : 39,990,938.43 = 16,589,236.30 : x
  2. Step 2: Convert to fraction form
    28,979,553.58/39,990,938.43 = 16,589,236.30/x
  3. Step 3: Cross multiply
    28,979,553.58x = 39,990,938.43 × 16,589,236.30
  4. Step 4: Simplify right side
    28,979,553.58x = 663,419,127,474,021
  5. Step 5: Solve for x
    x = 663,419,127,474,021/28,979,553.58
  6. Step 6: Final answer
    x = 22,892,662.08

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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.