Home / 13,998,045.15-20,997,067.73-3,900,666.15

Finding the Fourth Proportional to 13,998,045.15, 20,997,067.73 and 3,900,666.15

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Solution

The fourth proportional to 13,998,045.15, 20,997,067.73 and 3,900,666.15 is: 5,850,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,045.15 : 20,997,067.73 = 3,900,666.15 : x
  2. Step 2: Convert to fraction form
    13,998,045.15/20,997,067.73 = 3,900,666.15/x
  3. Step 3: Cross multiply
    13,998,045.15x = 20,997,067.73 × 3,900,666.15
  4. Step 4: Simplify right side
    13,998,045.15x = 81,902,551,324,165.02
  5. Step 5: Solve for x
    x = 81,902,551,324,165.02/13,998,045.15
  6. Step 6: Final answer
    x = 5,850,999.23

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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.