Home / 13,530,462.80-18,674,751.28-8,026,892.49

Finding the Fourth Proportional to 13,530,462.80, 18,674,751.28 and 8,026,892.49

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Solution

The fourth proportional to 13,530,462.80, 18,674,751.28 and 8,026,892.49 is: 11,078,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530,462.80 : 18,674,751.28 = 8,026,892.49 : x
  2. Step 2: Convert to fraction form
    13,530,462.80/18,674,751.28 = 8,026,892.49/x
  3. Step 3: Cross multiply
    13,530,462.80x = 18,674,751.28 × 8,026,892.49
  4. Step 4: Simplify right side
    13,530,462.80x = 149,900,220,802,049.91
  5. Step 5: Solve for x
    x = 149,900,220,802,049.91/13,530,462.80
  6. Step 6: Final answer
    x = 11,078,720.88

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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.