Home / 18,795,649.14-28,193,498.43-5,148,916.83

Finding the Fourth Proportional to 18,795,649.14, 28,193,498.43 and 5,148,916.83

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Solution

The fourth proportional to 18,795,649.14, 28,193,498.43 and 5,148,916.83 is: 7,723,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,649.14 : 28,193,498.43 = 5,148,916.83 : x
  2. Step 2: Convert to fraction form
    18,795,649.14/28,193,498.43 = 5,148,916.83/x
  3. Step 3: Cross multiply
    18,795,649.14x = 28,193,498.43 × 5,148,916.83
  4. Step 4: Simplify right side
    18,795,649.14x = 145,165,978,562,805.56
  5. Step 5: Solve for x
    x = 145,165,978,562,805.56/18,795,649.14
  6. Step 6: Final answer
    x = 7,723,382.02

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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.