Home / 7,979,998.80-11,953,150.20-5,285,614.80

Finding the Fourth Proportional to 7,979,998.80, 11,953,150.20 and 5,285,614.80

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Solution

The fourth proportional to 7,979,998.80, 11,953,150.20 and 5,285,614.80 is: 7,917,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,998.80 : 11,953,150.20 = 5,285,614.80 : x
  2. Step 2: Convert to fraction form
    7,979,998.80/11,953,150.20 = 5,285,614.80/x
  3. Step 3: Cross multiply
    7,979,998.80x = 11,953,150.20 × 5,285,614.80
  4. Step 4: Simplify right side
    7,979,998.80x = 63,179,747,603,742.95
  5. Step 5: Solve for x
    x = 63,179,747,603,742.95/7,979,998.80
  6. Step 6: Final answer
    x = 7,917,262.80

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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.