Home / 20,215,200.90-30,322,801.35-19,683,759.90

Finding the Fourth Proportional to 20,215,200.90, 30,322,801.35 and 19,683,759.90

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Solution

The fourth proportional to 20,215,200.90, 30,322,801.35 and 19,683,759.90 is: 29,525,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,200.90 : 30,322,801.35 = 19,683,759.90 : x
  2. Step 2: Convert to fraction form
    20,215,200.90/30,322,801.35 = 19,683,759.90/x
  3. Step 3: Cross multiply
    20,215,200.90x = 30,322,801.35 × 19,683,759.90
  4. Step 4: Simplify right side
    20,215,200.90x = 596,866,741,268,795.88
  5. Step 5: Solve for x
    x = 596,866,741,268,795.88/20,215,200.90
  6. Step 6: Final answer
    x = 29,525,639.85

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Similar ratio
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1.5x scale

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.