Home / 8,109,357.02-11,190,942.33-4,388,187.98

Finding the Fourth Proportional to 8,109,357.02, 11,190,942.33 and 4,388,187.98

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Solution

The fourth proportional to 8,109,357.02, 11,190,942.33 and 4,388,187.98 is: 6,055,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,357.02 : 11,190,942.33 = 4,388,187.98 : x
  2. Step 2: Convert to fraction form
    8,109,357.02/11,190,942.33 = 4,388,187.98/x
  3. Step 3: Cross multiply
    8,109,357.02x = 11,190,942.33 × 4,388,187.98
  4. Step 4: Simplify right side
    8,109,357.02x = 49,107,958,617,379.20
  5. Step 5: Solve for x
    x = 49,107,958,617,379.20/8,109,357.02
  6. Step 6: Final answer
    x = 6,055,715.45

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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.