Home / 12,208,286.20-18,315,345.30-3,688,706.20

Finding the Fourth Proportional to 12,208,286.20, 18,315,345.30 and 3,688,706.20

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Solution

The fourth proportional to 12,208,286.20, 18,315,345.30 and 3,688,706.20 is: 5,533,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,286.20 : 18,315,345.30 = 3,688,706.20 : x
  2. Step 2: Convert to fraction form
    12,208,286.20/18,315,345.30 = 3,688,706.20/x
  3. Step 3: Cross multiply
    12,208,286.20x = 18,315,345.30 × 3,688,706.20
  4. Step 4: Simplify right side
    12,208,286.20x = 67,559,927,763,250.87
  5. Step 5: Solve for x
    x = 67,559,927,763,250.87/12,208,286.20
  6. Step 6: Final answer
    x = 5,533,940.36

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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.