Home / 20,907,519.60-31,361,279.40-16,372,556.40

Finding the Fourth Proportional to 20,907,519.60, 31,361,279.40 and 16,372,556.40

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Solution

The fourth proportional to 20,907,519.60, 31,361,279.40 and 16,372,556.40 is: 24,558,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,907,519.60 : 31,361,279.40 = 16,372,556.40 : x
  2. Step 2: Convert to fraction form
    20,907,519.60/31,361,279.40 = 16,372,556.40/x
  3. Step 3: Cross multiply
    20,907,519.60x = 31,361,279.40 × 16,372,556.40
  4. Step 4: Simplify right side
    20,907,519.60x = 513,464,315,752,658.12
  5. Step 5: Solve for x
    x = 513,464,315,752,658.12/20,907,519.60
  6. Step 6: Final answer
    x = 24,558,834.60

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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.