Home / 28,189,199.08-38,906,548.24-18,382,617.96

Finding the Fourth Proportional to 28,189,199.08, 38,906,548.24 and 18,382,617.96

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Solution

The fourth proportional to 28,189,199.08, 38,906,548.24 and 18,382,617.96 is: 25,371,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189,199.08 : 38,906,548.24 = 18,382,617.96 : x
  2. Step 2: Convert to fraction form
    28,189,199.08/38,906,548.24 = 18,382,617.96/x
  3. Step 3: Cross multiply
    28,189,199.08x = 38,906,548.24 × 18,382,617.96
  4. Step 4: Simplify right side
    28,189,199.08x = 715,204,212,438,230.50
  5. Step 5: Solve for x
    x = 715,204,212,438,230.50/28,189,199.08
  6. Step 6: Final answer
    x = 25,371,569.10

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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.