Home / 13,641,873.66-18,821,314.71-9,722,247.21

Finding the Fourth Proportional to 13,641,873.66, 18,821,314.71 and 9,722,247.21

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Solution

The fourth proportional to 13,641,873.66, 18,821,314.71 and 9,722,247.21 is: 13,413,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641,873.66 : 18,821,314.71 = 9,722,247.21 : x
  2. Step 2: Convert to fraction form
    13,641,873.66/18,821,314.71 = 9,722,247.21/x
  3. Step 3: Cross multiply
    13,641,873.66x = 18,821,314.71 × 9,722,247.21
  4. Step 4: Simplify right side
    13,641,873.66x = 182,985,474,427,829.50
  5. Step 5: Solve for x
    x = 182,985,474,427,829.50/13,641,873.66
  6. Step 6: Final answer
    x = 13,413,514.81

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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.