Home / 20,858,745.60-31,250,793.60-17,648,812.80

Finding the Fourth Proportional to 20,858,745.60, 31,250,793.60 and 17,648,812.80

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Solution

The fourth proportional to 20,858,745.60, 31,250,793.60 and 17,648,812.80 is: 26,441,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858,745.60 : 31,250,793.60 = 17,648,812.80 : x
  2. Step 2: Convert to fraction form
    20,858,745.60/31,250,793.60 = 17,648,812.80/x
  3. Step 3: Cross multiply
    20,858,745.60x = 31,250,793.60 × 17,648,812.80
  4. Step 4: Simplify right side
    20,858,745.60x = 551,539,406,097,838.12
  5. Step 5: Solve for x
    x = 551,539,406,097,838.12/20,858,745.60
  6. Step 6: Final answer
    x = 26,441,638.28

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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.