Home / 12,485,513.80-18,728,270.70-8,006,537.80

Finding the Fourth Proportional to 12,485,513.80, 18,728,270.70 and 8,006,537.80

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Solution

The fourth proportional to 12,485,513.80, 18,728,270.70 and 8,006,537.80 is: 12,009,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,513.80 : 18,728,270.70 = 8,006,537.80 : x
  2. Step 2: Convert to fraction form
    12,485,513.80/18,728,270.70 = 8,006,537.80/x
  3. Step 3: Cross multiply
    12,485,513.80x = 18,728,270.70 × 8,006,537.80
  4. Step 4: Simplify right side
    12,485,513.80x = 149,948,607,288,182.44
  5. Step 5: Solve for x
    x = 149,948,607,288,182.44/12,485,513.80
  6. Step 6: Final answer
    x = 12,009,806.70

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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.