Home / 20,242,337.60-30,370,504.80-19,542,497.60

Finding the Fourth Proportional to 20,242,337.60, 30,370,504.80 and 19,542,497.60

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Solution

The fourth proportional to 20,242,337.60, 30,370,504.80 and 19,542,497.60 is: 29,320,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242,337.60 : 30,370,504.80 = 19,542,497.60 : x
  2. Step 2: Convert to fraction form
    20,242,337.60/30,370,504.80 = 19,542,497.60/x
  3. Step 3: Cross multiply
    20,242,337.60x = 30,370,504.80 × 19,542,497.60
  4. Step 4: Simplify right side
    20,242,337.60x = 593,515,517,164,788.50
  5. Step 5: Solve for x
    x = 593,515,517,164,788.50/20,242,337.60
  6. Step 6: Final answer
    x = 29,320,502.84

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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.