Home / 13,629,791.91-18,809,232.96-7,434,866.15

Finding the Fourth Proportional to 13,629,791.91, 18,809,232.96 and 7,434,866.15

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Solution

The fourth proportional to 13,629,791.91, 18,809,232.96 and 7,434,866.15 is: 10,260,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629,791.91 : 18,809,232.96 = 7,434,866.15 : x
  2. Step 2: Convert to fraction form
    13,629,791.91/18,809,232.96 = 7,434,866.15/x
  3. Step 3: Cross multiply
    13,629,791.91x = 18,809,232.96 × 7,434,866.15
  4. Step 4: Simplify right side
    13,629,791.91x = 139,844,129,310,547.78
  5. Step 5: Solve for x
    x = 139,844,129,310,547.78/13,629,791.91
  6. Step 6: Final answer
    x = 10,260,180.80

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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.