Home / 19,251,174.75-28,876,490.01-4,678,201.37

Finding the Fourth Proportional to 19,251,174.75, 28,876,490.01 and 4,678,201.37

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Solution

The fourth proportional to 19,251,174.75, 28,876,490.01 and 4,678,201.37 is: 7,017,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,174.75 : 28,876,490.01 = 4,678,201.37 : x
  2. Step 2: Convert to fraction form
    19,251,174.75/28,876,490.01 = 4,678,201.37/x
  3. Step 3: Cross multiply
    19,251,174.75x = 28,876,490.01 × 4,678,201.37
  4. Step 4: Simplify right side
    19,251,174.75x = 135,090,034,981,190.88
  5. Step 5: Solve for x
    x = 135,090,034,981,190.88/19,251,174.75
  6. Step 6: Final answer
    x = 7,017,235.92

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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.