Home / 10,875,640.56-15,008,769.11-5,981,241.48

Finding the Fourth Proportional to 10,875,640.56, 15,008,769.11 and 5,981,241.48

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Solution

The fourth proportional to 10,875,640.56, 15,008,769.11 and 5,981,241.48 is: 8,254,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875,640.56 : 15,008,769.11 = 5,981,241.48 : x
  2. Step 2: Convert to fraction form
    10,875,640.56/15,008,769.11 = 5,981,241.48/x
  3. Step 3: Cross multiply
    10,875,640.56x = 15,008,769.11 × 5,981,241.48
  4. Step 4: Simplify right side
    10,875,640.56x = 89,771,072,364,474.69
  5. Step 5: Solve for x
    x = 89,771,072,364,474.69/10,875,640.56
  6. Step 6: Final answer
    x = 8,254,325.06

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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.