Home / 13,078,028.63-18,047,662.61-8,114,623.94

Finding the Fourth Proportional to 13,078,028.63, 18,047,662.61 and 8,114,623.94

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Solution

The fourth proportional to 13,078,028.63, 18,047,662.61 and 8,114,623.94 is: 11,198,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078,028.63 : 18,047,662.61 = 8,114,623.94 : x
  2. Step 2: Convert to fraction form
    13,078,028.63/18,047,662.61 = 8,114,623.94/x
  3. Step 3: Cross multiply
    13,078,028.63x = 18,047,662.61 × 8,114,623.94
  4. Step 4: Simplify right side
    13,078,028.63x = 146,449,995,080,694.91
  5. Step 5: Solve for x
    x = 146,449,995,080,694.91/13,078,028.63
  6. Step 6: Final answer
    x = 11,198,170.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.