Home / 29,607,660.78-40,867,260.39-17,220,667.74

Finding the Fourth Proportional to 29,607,660.78, 40,867,260.39 and 17,220,667.74

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Solution

The fourth proportional to 29,607,660.78, 40,867,260.39 and 17,220,667.74 is: 23,769,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,607,660.78 : 40,867,260.39 = 17,220,667.74 : x
  2. Step 2: Convert to fraction form
    29,607,660.78/40,867,260.39 = 17,220,667.74/x
  3. Step 3: Cross multiply
    29,607,660.78x = 40,867,260.39 × 17,220,667.74
  4. Step 4: Simplify right side
    29,607,660.78x = 703,761,512,620,252.75
  5. Step 5: Solve for x
    x = 703,761,512,620,252.75/29,607,660.78
  6. Step 6: Final answer
    x = 23,769,574.97

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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.