Home / 20,202,966.40-30,304,449.60-19,086,940.30

Finding the Fourth Proportional to 20,202,966.40, 30,304,449.60 and 19,086,940.30

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Solution

The fourth proportional to 20,202,966.40, 30,304,449.60 and 19,086,940.30 is: 28,630,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202,966.40 : 30,304,449.60 = 19,086,940.30 : x
  2. Step 2: Convert to fraction form
    20,202,966.40/30,304,449.60 = 19,086,940.30/x
  3. Step 3: Cross multiply
    20,202,966.40x = 30,304,449.60 × 19,086,940.30
  4. Step 4: Simplify right side
    20,202,966.40x = 578,419,220,339,558.88
  5. Step 5: Solve for x
    x = 578,419,220,339,558.88/20,202,966.40
  6. Step 6: Final answer
    x = 28,630,410.45

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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.