Home / 13,115,231.10-19,672,846.65-11,520,908.10

Finding the Fourth Proportional to 13,115,231.10, 19,672,846.65 and 11,520,908.10

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Solution

The fourth proportional to 13,115,231.10, 19,672,846.65 and 11,520,908.10 is: 17,281,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,231.10 : 19,672,846.65 = 11,520,908.10 : x
  2. Step 2: Convert to fraction form
    13,115,231.10/19,672,846.65 = 11,520,908.10/x
  3. Step 3: Cross multiply
    13,115,231.10x = 19,672,846.65 × 11,520,908.10
  4. Step 4: Simplify right side
    13,115,231.10x = 226,649,058,320,042.84
  5. Step 5: Solve for x
    x = 226,649,058,320,042.84/13,115,231.10
  6. Step 6: Final answer
    x = 17,281,362.15

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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.