Home / 20,526,771.50-28,327,019.76-11,107,562.60

Finding the Fourth Proportional to 20,526,771.50, 28,327,019.76 and 11,107,562.60

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Solution

The fourth proportional to 20,526,771.50, 28,327,019.76 and 11,107,562.60 is: 15,328,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,771.50 : 28,327,019.76 = 11,107,562.60 : x
  2. Step 2: Convert to fraction form
    20,526,771.50/28,327,019.76 = 11,107,562.60/x
  3. Step 3: Cross multiply
    20,526,771.50x = 28,327,019.76 × 11,107,562.60
  4. Step 4: Simplify right side
    20,526,771.50x = 314,644,145,255,637
  5. Step 5: Solve for x
    x = 314,644,145,255,637/20,526,771.50
  6. Step 6: Final answer
    x = 15,328,477.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.