Home / 13,339,105.83-18,407,110.50-7,459,224.48

Finding the Fourth Proportional to 13,339,105.83, 18,407,110.50 and 7,459,224.48

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Solution

The fourth proportional to 13,339,105.83, 18,407,110.50 and 7,459,224.48 is: 10,293,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339,105.83 : 18,407,110.50 = 7,459,224.48 : x
  2. Step 2: Convert to fraction form
    13,339,105.83/18,407,110.50 = 7,459,224.48/x
  3. Step 3: Cross multiply
    13,339,105.83x = 18,407,110.50 × 7,459,224.48
  4. Step 4: Simplify right side
    13,339,105.83x = 137,302,769,247,665.05
  5. Step 5: Solve for x
    x = 137,302,769,247,665.05/13,339,105.83
  6. Step 6: Final answer
    x = 10,293,251.36

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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.