Home / 20,242,333.60-30,370,498.80-19,542,493.60

Finding the Fourth Proportional to 20,242,333.60, 30,370,498.80 and 19,542,493.60

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Solution

The fourth proportional to 20,242,333.60, 30,370,498.80 and 19,542,493.60 is: 29,320,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242,333.60 : 30,370,498.80 = 19,542,493.60 : x
  2. Step 2: Convert to fraction form
    20,242,333.60/30,370,498.80 = 19,542,493.60/x
  3. Step 3: Cross multiply
    20,242,333.60x = 30,370,498.80 × 19,542,493.60
  4. Step 4: Simplify right side
    20,242,333.60x = 593,515,278,427,807.75
  5. Step 5: Solve for x
    x = 593,515,278,427,807.75/20,242,333.60
  6. Step 6: Final answer
    x = 29,320,496.84

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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.