Home / 21,758,793.60-32,638,190.40-19,407,331.20

Finding the Fourth Proportional to 21,758,793.60, 32,638,190.40 and 19,407,331.20

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Solution

The fourth proportional to 21,758,793.60, 32,638,190.40 and 19,407,331.20 is: 29,110,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,758,793.60 : 32,638,190.40 = 19,407,331.20 : x
  2. Step 2: Convert to fraction form
    21,758,793.60/32,638,190.40 = 19,407,331.20/x
  3. Step 3: Cross multiply
    21,758,793.60x = 32,638,190.40 × 19,407,331.20
  4. Step 4: Simplify right side
    21,758,793.60x = 633,420,170,861,460.38
  5. Step 5: Solve for x
    x = 633,420,170,861,460.38/21,758,793.60
  6. Step 6: Final answer
    x = 29,110,996.80

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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.