Home / 13,062,981.80-18,027,377.45-7,183,063.49

Finding the Fourth Proportional to 13,062,981.80, 18,027,377.45 and 7,183,063.49

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Solution

The fourth proportional to 13,062,981.80, 18,027,377.45 and 7,183,063.49 is: 9,912,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062,981.80 : 18,027,377.45 = 7,183,063.49 : x
  2. Step 2: Convert to fraction form
    13,062,981.80/18,027,377.45 = 7,183,063.49/x
  3. Step 3: Cross multiply
    13,062,981.80x = 18,027,377.45 × 7,183,063.49
  4. Step 4: Simplify right side
    13,062,981.80x = 129,491,796,745,628.98
  5. Step 5: Solve for x
    x = 129,491,796,745,628.98/13,062,981.80
  6. Step 6: Final answer
    x = 9,912,881.97

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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.