Home / 13,214,048.38-18,235,163.01-7,412,705.56

Finding the Fourth Proportional to 13,214,048.38, 18,235,163.01 and 7,412,705.56

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Solution

The fourth proportional to 13,214,048.38, 18,235,163.01 and 7,412,705.56 is: 10,229,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,048.38 : 18,235,163.01 = 7,412,705.56 : x
  2. Step 2: Convert to fraction form
    13,214,048.38/18,235,163.01 = 7,412,705.56/x
  3. Step 3: Cross multiply
    13,214,048.38x = 18,235,163.01 × 7,412,705.56
  4. Step 4: Simplify right side
    13,214,048.38x = 135,171,894,231,733.34
  5. Step 5: Solve for x
    x = 135,171,894,231,733.34/13,214,048.38
  6. Step 6: Final answer
    x = 10,229,408.15

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Double scale
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1.5x scale

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.