Home / 38,639,264.60-57,958,896.90-20,723,360.60

Finding the Fourth Proportional to 38,639,264.60, 57,958,896.90 and 20,723,360.60

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Solution

The fourth proportional to 38,639,264.60, 57,958,896.90 and 20,723,360.60 is: 31,085,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,264.60 : 57,958,896.90 = 20,723,360.60 : x
  2. Step 2: Convert to fraction form
    38,639,264.60/57,958,896.90 = 20,723,360.60/x
  3. Step 3: Cross multiply
    38,639,264.60x = 57,958,896.90 × 20,723,360.60
  4. Step 4: Simplify right side
    38,639,264.60x = 1,201,103,120,436,922.25
  5. Step 5: Solve for x
    x = 1,201,103,120,436,922.25/38,639,264.60
  6. Step 6: Final answer
    x = 31,085,040.90

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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.