Home / 18,403,509-25,398,731.94-11,063,718.30

Finding the Fourth Proportional to 18,403,509, 25,398,731.94 and 11,063,718.30

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Solution

The fourth proportional to 18,403,509, 25,398,731.94 and 11,063,718.30 is: 15,269,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,509 : 25,398,731.94 = 11,063,718.30 : x
  2. Step 2: Convert to fraction form
    18,403,509/25,398,731.94 = 11,063,718.30/x
  3. Step 3: Cross multiply
    18,403,509x = 25,398,731.94 × 11,063,718.30
  4. Step 4: Simplify right side
    18,403,509x = 281,004,415,361,372.53
  5. Step 5: Solve for x
    x = 281,004,415,361,372.53/18,403,509
  6. Step 6: Final answer
    x = 15,269,067.19

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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.