Home / 12,206,818.80-18,310,228.20-3,686,266.80

Finding the Fourth Proportional to 12,206,818.80, 18,310,228.20 and 3,686,266.80

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Solution

The fourth proportional to 12,206,818.80, 18,310,228.20 and 3,686,266.80 is: 5,529,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206,818.80 : 18,310,228.20 = 3,686,266.80 : x
  2. Step 2: Convert to fraction form
    12,206,818.80/18,310,228.20 = 3,686,266.80/x
  3. Step 3: Cross multiply
    12,206,818.80x = 18,310,228.20 × 3,686,266.80
  4. Step 4: Simplify right side
    12,206,818.80x = 67,496,386,314,083.75
  5. Step 5: Solve for x
    x = 67,496,386,314,083.75/12,206,818.80
  6. Step 6: Final answer
    x = 5,529,400.20

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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.