Home / 8,109,322.79-11,190,895.10-4,388,153.82

Finding the Fourth Proportional to 8,109,322.79, 11,190,895.10 and 4,388,153.82

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Solution

The fourth proportional to 8,109,322.79, 11,190,895.10 and 4,388,153.82 is: 6,055,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,322.79 : 11,190,895.10 = 4,388,153.82 : x
  2. Step 2: Convert to fraction form
    8,109,322.79/11,190,895.10 = 4,388,153.82/x
  3. Step 3: Cross multiply
    8,109,322.79x = 11,190,895.10 × 4,388,153.82
  4. Step 4: Simplify right side
    8,109,322.79x = 49,107,369,004,389.05
  5. Step 5: Solve for x
    x = 49,107,369,004,389.05/8,109,322.79
  6. Step 6: Final answer
    x = 6,055,668.31

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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.