Home / 15,016,361.83-20,722,741.72-8,821,669.65

Finding the Fourth Proportional to 15,016,361.83, 20,722,741.72 and 8,821,669.65

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Solution

The fourth proportional to 15,016,361.83, 20,722,741.72 and 8,821,669.65 is: 12,173,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,361.83 : 20,722,741.72 = 8,821,669.65 : x
  2. Step 2: Convert to fraction form
    15,016,361.83/20,722,741.72 = 8,821,669.65/x
  3. Step 3: Cross multiply
    15,016,361.83x = 20,722,741.72 × 8,821,669.65
  4. Step 4: Simplify right side
    15,016,361.83x = 182,809,181,712,913.78
  5. Step 5: Solve for x
    x = 182,809,181,712,913.78/15,016,361.83
  6. Step 6: Final answer
    x = 12,173,999.52

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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.