Home / 12,013,936.80-18,012,945.60-6,625,168.80

Finding the Fourth Proportional to 12,013,936.80, 18,012,945.60 and 6,625,168.80

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Solution

The fourth proportional to 12,013,936.80, 18,012,945.60 and 6,625,168.80 is: 9,933,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013,936.80 : 18,012,945.60 = 6,625,168.80 : x
  2. Step 2: Convert to fraction form
    12,013,936.80/18,012,945.60 = 6,625,168.80/x
  3. Step 3: Cross multiply
    12,013,936.80x = 18,012,945.60 × 6,625,168.80
  4. Step 4: Simplify right side
    12,013,936.80x = 119,338,805,185,217.28
  5. Step 5: Solve for x
    x = 119,338,805,185,217.28/12,013,936.80
  6. Step 6: Final answer
    x = 9,933,363.82

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1.5x scale

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.