Home / 21,101,505.25-31,651,667.38-6,725,435.71

Finding the Fourth Proportional to 21,101,505.25, 31,651,667.38 and 6,725,435.71

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Solution

The fourth proportional to 21,101,505.25, 31,651,667.38 and 6,725,435.71 is: 10,087,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,505.25 : 31,651,667.38 = 6,725,435.71 : x
  2. Step 2: Convert to fraction form
    21,101,505.25/31,651,667.38 = 6,725,435.71/x
  3. Step 3: Cross multiply
    21,101,505.25x = 31,651,667.38 × 6,725,435.71
  4. Step 4: Simplify right side
    21,101,505.25x = 212,871,253,886,608.62
  5. Step 5: Solve for x
    x = 212,871,253,886,608.62/21,101,505.25
  6. Step 6: Final answer
    x = 10,087,965.36

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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.