Home / 38,284,218.20-57,396,893.31-19,820,369.93

Finding the Fourth Proportional to 38,284,218.20, 57,396,893.31 and 19,820,369.93

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Solution

The fourth proportional to 38,284,218.20, 57,396,893.31 and 19,820,369.93 is: 29,715,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,284,218.20 : 57,396,893.31 = 19,820,369.93 : x
  2. Step 2: Convert to fraction form
    38,284,218.20/57,396,893.31 = 19,820,369.93/x
  3. Step 3: Cross multiply
    38,284,218.20x = 57,396,893.31 × 19,820,369.93
  4. Step 4: Simplify right side
    38,284,218.20x = 1,137,627,657,949,957.75
  5. Step 5: Solve for x
    x = 1,137,627,657,949,957.75/38,284,218.20
  6. Step 6: Final answer
    x = 29,715,316.43

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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.