Home / 11,347,745.60-17,021,618.40-11,123,796.80

Finding the Fourth Proportional to 11,347,745.60, 17,021,618.40 and 11,123,796.80

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Solution

The fourth proportional to 11,347,745.60, 17,021,618.40 and 11,123,796.80 is: 16,685,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347,745.60 : 17,021,618.40 = 11,123,796.80 : x
  2. Step 2: Convert to fraction form
    11,347,745.60/17,021,618.40 = 11,123,796.80/x
  3. Step 3: Cross multiply
    11,347,745.60x = 17,021,618.40 × 11,123,796.80
  4. Step 4: Simplify right side
    11,347,745.60x = 189,345,024,288,741.12
  5. Step 5: Solve for x
    x = 189,345,024,288,741.12/11,347,745.60
  6. Step 6: Final answer
    x = 16,685,695.20

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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.