Home / 20,713,201.62-28,594,361.25-16,056,699.54

Finding the Fourth Proportional to 20,713,201.62, 28,594,361.25 and 16,056,699.54

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Solution

The fourth proportional to 20,713,201.62, 28,594,361.25 and 16,056,699.54 is: 22,166,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713,201.62 : 28,594,361.25 = 16,056,699.54 : x
  2. Step 2: Convert to fraction form
    20,713,201.62/28,594,361.25 = 16,056,699.54/x
  3. Step 3: Cross multiply
    20,713,201.62x = 28,594,361.25 × 16,056,699.54
  4. Step 4: Simplify right side
    20,713,201.62x = 459,131,067,129,468.81
  5. Step 5: Solve for x
    x = 459,131,067,129,468.81/20,713,201.62
  6. Step 6: Final answer
    x = 22,166,108.14

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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.