Home / 13,641,875.66-18,821,317.46-9,722,249.22

Finding the Fourth Proportional to 13,641,875.66, 18,821,317.46 and 9,722,249.22

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Solution

The fourth proportional to 13,641,875.66, 18,821,317.46 and 9,722,249.22 is: 13,413,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641,875.66 : 18,821,317.46 = 9,722,249.22 : x
  2. Step 2: Convert to fraction form
    13,641,875.66/18,821,317.46 = 9,722,249.22/x
  3. Step 3: Cross multiply
    13,641,875.66x = 18,821,317.46 × 9,722,249.22
  4. Step 4: Simplify right side
    13,641,875.66x = 182,985,538,994,857.41
  5. Step 5: Solve for x
    x = 182,985,538,994,857.41/13,641,875.66
  6. Step 6: Final answer
    x = 13,413,517.58

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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.