Home / 20,566,506.80-30,857,633.40-20,243,705.60

Finding the Fourth Proportional to 20,566,506.80, 30,857,633.40 and 20,243,705.60

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Solution

The fourth proportional to 20,566,506.80, 30,857,633.40 and 20,243,705.60 is: 30,373,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566,506.80 : 30,857,633.40 = 20,243,705.60 : x
  2. Step 2: Convert to fraction form
    20,566,506.80/30,857,633.40 = 20,243,705.60/x
  3. Step 3: Cross multiply
    20,566,506.80x = 30,857,633.40 × 20,243,705.60
  4. Step 4: Simplify right side
    20,566,506.80x = 624,672,846,062,327
  5. Step 5: Solve for x
    x = 624,672,846,062,327/20,566,506.80
  6. Step 6: Final answer
    x = 30,373,308.03

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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.