Home / 18,336,086.09-25,303,650.78-9,963,382.58

Finding the Fourth Proportional to 18,336,086.09, 25,303,650.78 and 9,963,382.58

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Solution

The fourth proportional to 18,336,086.09, 25,303,650.78 and 9,963,382.58 is: 13,749,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336,086.09 : 25,303,650.78 = 9,963,382.58 : x
  2. Step 2: Convert to fraction form
    18,336,086.09/25,303,650.78 = 9,963,382.58/x
  3. Step 3: Cross multiply
    18,336,086.09x = 25,303,650.78 × 9,963,382.58
  4. Step 4: Simplify right side
    18,336,086.09x = 252,109,953,391,855.44
  5. Step 5: Solve for x
    x = 252,109,953,391,855.44/18,336,086.09
  6. Step 6: Final answer
    x = 13,749,387.53

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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.