Home / 20,704,481.19-28,572,297.55-12,007,810.08

Finding the Fourth Proportional to 20,704,481.19, 28,572,297.55 and 12,007,810.08

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Solution

The fourth proportional to 20,704,481.19, 28,572,297.55 and 12,007,810.08 is: 16,570,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704,481.19 : 28,572,297.55 = 12,007,810.08 : x
  2. Step 2: Convert to fraction form
    20,704,481.19/28,572,297.55 = 12,007,810.08/x
  3. Step 3: Cross multiply
    20,704,481.19x = 28,572,297.55 × 12,007,810.08
  4. Step 4: Simplify right side
    20,704,481.19x = 343,090,722,499,629.75
  5. Step 5: Solve for x
    x = 343,090,722,499,629.75/20,704,481.19
  6. Step 6: Final answer
    x = 16,570,843.74

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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.