Home / 12,107,553.72-18,152,815.17-5,623,745.05

Finding the Fourth Proportional to 12,107,553.72, 18,152,815.17 and 5,623,745.05

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Solution

The fourth proportional to 12,107,553.72, 18,152,815.17 and 5,623,745.05 is: 8,431,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107,553.72 : 18,152,815.17 = 5,623,745.05 : x
  2. Step 2: Convert to fraction form
    12,107,553.72/18,152,815.17 = 5,623,745.05/x
  3. Step 3: Cross multiply
    12,107,553.72x = 18,152,815.17 × 5,623,745.05
  4. Step 4: Simplify right side
    12,107,553.72x = 102,086,804,455,852.42
  5. Step 5: Solve for x
    x = 102,086,804,455,852.42/12,107,553.72
  6. Step 6: Final answer
    x = 8,431,662.32

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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.