Home / 13,134,832.80-19,702,249.20-11,339,743.20

Finding the Fourth Proportional to 13,134,832.80, 19,702,249.20 and 11,339,743.20

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Solution

The fourth proportional to 13,134,832.80, 19,702,249.20 and 11,339,743.20 is: 17,009,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,832.80 : 19,702,249.20 = 11,339,743.20 : x
  2. Step 2: Convert to fraction form
    13,134,832.80/19,702,249.20 = 11,339,743.20/x
  3. Step 3: Cross multiply
    13,134,832.80x = 19,702,249.20 × 11,339,743.20
  4. Step 4: Simplify right side
    13,134,832.80x = 223,418,446,390,405.41
  5. Step 5: Solve for x
    x = 223,418,446,390,405.41/13,134,832.80
  6. Step 6: Final answer
    x = 17,009,614.80

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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.