Home / 20,229,189.20-30,343,783.80-11,584,415.60

Finding the Fourth Proportional to 20,229,189.20, 30,343,783.80 and 11,584,415.60

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Solution

The fourth proportional to 20,229,189.20, 30,343,783.80 and 11,584,415.60 is: 17,376,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,189.20 : 30,343,783.80 = 11,584,415.60 : x
  2. Step 2: Convert to fraction form
    20,229,189.20/30,343,783.80 = 11,584,415.60/x
  3. Step 3: Cross multiply
    20,229,189.20x = 30,343,783.80 × 11,584,415.60
  4. Step 4: Simplify right side
    20,229,189.20x = 351,515,002,415,747.25
  5. Step 5: Solve for x
    x = 351,515,002,415,747.25/20,229,189.20
  6. Step 6: Final answer
    x = 17,376,623.40

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1.5x scale

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.