Home / 12,243,636.88-18,365,469.04-3,145,809.84

Finding the Fourth Proportional to 12,243,636.88, 18,365,469.04 and 3,145,809.84

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Solution

The fourth proportional to 12,243,636.88, 18,365,469.04 and 3,145,809.84 is: 4,718,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243,636.88 : 18,365,469.04 = 3,145,809.84 : x
  2. Step 2: Convert to fraction form
    12,243,636.88/18,365,469.04 = 3,145,809.84/x
  3. Step 3: Cross multiply
    12,243,636.88x = 18,365,469.04 × 3,145,809.84
  4. Step 4: Simplify right side
    12,243,636.88x = 57,774,273,222,247.35
  5. Step 5: Solve for x
    x = 57,774,273,222,247.35/12,243,636.88
  6. Step 6: Final answer
    x = 4,718,718.29

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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.