Home / 8,109,320.71-11,190,892.22-4,388,151.74

Finding the Fourth Proportional to 8,109,320.71, 11,190,892.22 and 4,388,151.74

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Solution

The fourth proportional to 8,109,320.71, 11,190,892.22 and 4,388,151.74 is: 6,055,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,320.71 : 11,190,892.22 = 4,388,151.74 : x
  2. Step 2: Convert to fraction form
    8,109,320.71/11,190,892.22 = 4,388,151.74/x
  3. Step 3: Cross multiply
    8,109,320.71x = 11,190,892.22 × 4,388,151.74
  4. Step 4: Simplify right side
    8,109,320.71x = 49,107,333,111,391.01
  5. Step 5: Solve for x
    x = 49,107,333,111,391.01/8,109,320.71
  6. Step 6: Final answer
    x = 6,055,665.44

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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.