Home / 20,371,787.28-30,551,190.48-6,722,390.16

Finding the Fourth Proportional to 20,371,787.28, 30,551,190.48 and 6,722,390.16

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Solution

The fourth proportional to 20,371,787.28, 30,551,190.48 and 6,722,390.16 is: 10,081,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371,787.28 : 30,551,190.48 = 6,722,390.16 : x
  2. Step 2: Convert to fraction form
    20,371,787.28/30,551,190.48 = 6,722,390.16/x
  3. Step 3: Cross multiply
    20,371,787.28x = 30,551,190.48 × 6,722,390.16
  4. Step 4: Simplify right side
    20,371,787.28x = 205,377,022,259,037.69
  5. Step 5: Solve for x
    x = 205,377,022,259,037.69/20,371,787.28
  6. Step 6: Final answer
    x = 10,081,443.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.