Home / 40,096,634.46-55,333,409.36-21,761,919.96

Finding the Fourth Proportional to 40,096,634.46, 55,333,409.36 and 21,761,919.96

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Solution

The fourth proportional to 40,096,634.46, 55,333,409.36 and 21,761,919.96 is: 30,031,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,096,634.46 : 55,333,409.36 = 21,761,919.96 : x
  2. Step 2: Convert to fraction form
    40,096,634.46/55,333,409.36 = 21,761,919.96/x
  3. Step 3: Cross multiply
    40,096,634.46x = 55,333,409.36 × 21,761,919.96
  4. Step 4: Simplify right side
    40,096,634.46x = 1,204,161,225,497,425.25
  5. Step 5: Solve for x
    x = 1,204,161,225,497,425.25/40,096,634.46
  6. Step 6: Final answer
    x = 30,031,478.74

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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.