Home / 12,206,812.80-18,310,219.20-3,686,260.80

Finding the Fourth Proportional to 12,206,812.80, 18,310,219.20 and 3,686,260.80

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Solution

The fourth proportional to 12,206,812.80, 18,310,219.20 and 3,686,260.80 is: 5,529,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206,812.80 : 18,310,219.20 = 3,686,260.80 : x
  2. Step 2: Convert to fraction form
    12,206,812.80/18,310,219.20 = 3,686,260.80/x
  3. Step 3: Cross multiply
    12,206,812.80x = 18,310,219.20 × 3,686,260.80
  4. Step 4: Simplify right side
    12,206,812.80x = 67,496,243,276,367.35
  5. Step 5: Solve for x
    x = 67,496,243,276,367.35/12,206,812.80
  6. Step 6: Final answer
    x = 5,529,391.20

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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.