Home / 39,665,489.60-54,743,716.68-22,262,787.02

Finding the Fourth Proportional to 39,665,489.60, 54,743,716.68 and 22,262,787.02

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Solution

The fourth proportional to 39,665,489.60, 54,743,716.68 and 22,262,787.02 is: 30,725,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665,489.60 : 54,743,716.68 = 22,262,787.02 : x
  2. Step 2: Convert to fraction form
    39,665,489.60/54,743,716.68 = 22,262,787.02/x
  3. Step 3: Cross multiply
    39,665,489.60x = 54,743,716.68 × 22,262,787.02
  4. Step 4: Simplify right side
    39,665,489.60x = 1,218,747,705,130,061.50
  5. Step 5: Solve for x
    x = 1,218,747,705,130,061.50/39,665,489.60
  6. Step 6: Final answer
    x = 30,725,643.81

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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.