Home / 13,500,769.43-18,631,110.78-7,305,815.41

Finding the Fourth Proportional to 13,500,769.43, 18,631,110.78 and 7,305,815.41

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Solution

The fourth proportional to 13,500,769.43, 18,631,110.78 and 7,305,815.41 is: 10,082,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,769.43 : 18,631,110.78 = 7,305,815.41 : x
  2. Step 2: Convert to fraction form
    13,500,769.43/18,631,110.78 = 7,305,815.41/x
  3. Step 3: Cross multiply
    13,500,769.43x = 18,631,110.78 × 7,305,815.41
  4. Step 4: Simplify right side
    13,500,769.43x = 136,115,456,195,363.34
  5. Step 5: Solve for x
    x = 136,115,456,195,363.34/13,500,769.43
  6. Step 6: Final answer
    x = 10,082,051.76

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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.