Home / 40,096,635.96-55,333,411.43-21,761,921.46

Finding the Fourth Proportional to 40,096,635.96, 55,333,411.43 and 21,761,921.46

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Solution

The fourth proportional to 40,096,635.96, 55,333,411.43 and 21,761,921.46 is: 30,031,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,096,635.96 : 55,333,411.43 = 21,761,921.46 : x
  2. Step 2: Convert to fraction form
    40,096,635.96/55,333,411.43 = 21,761,921.46/x
  3. Step 3: Cross multiply
    40,096,635.96x = 55,333,411.43 × 21,761,921.46
  4. Step 4: Simplify right side
    40,096,635.96x = 1,204,161,353,544,716.75
  5. Step 5: Solve for x
    x = 1,204,161,353,544,716.75/40,096,635.96
  6. Step 6: Final answer
    x = 30,031,480.81

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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.