Home / 38,600,633.72-57,902,812.64-12,692,361.44

Finding the Fourth Proportional to 38,600,633.72, 57,902,812.64 and 12,692,361.44

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Solution

The fourth proportional to 38,600,633.72, 57,902,812.64 and 12,692,361.44 is: 19,039,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600,633.72 : 57,902,812.64 = 12,692,361.44 : x
  2. Step 2: Convert to fraction form
    38,600,633.72/57,902,812.64 = 12,692,361.44/x
  3. Step 3: Cross multiply
    38,600,633.72x = 57,902,812.64 × 12,692,361.44
  4. Step 4: Simplify right side
    38,600,633.72x = 734,923,426,419,480.62
  5. Step 5: Solve for x
    x = 734,923,426,419,480.62/38,600,633.72
  6. Step 6: Final answer
    x = 19,039,154.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.