Home / 11,844,561.85-17,780,128.80-9,160,784.80

Finding the Fourth Proportional to 11,844,561.85, 17,780,128.80 and 9,160,784.80

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Solution

The fourth proportional to 11,844,561.85, 17,780,128.80 and 9,160,784.80 is: 13,751,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,844,561.85 : 17,780,128.80 = 9,160,784.80 : x
  2. Step 2: Convert to fraction form
    11,844,561.85/17,780,128.80 = 9,160,784.80/x
  3. Step 3: Cross multiply
    11,844,561.85x = 17,780,128.80 × 9,160,784.80
  4. Step 4: Simplify right side
    11,844,561.85x = 162,879,933,653,082.25
  5. Step 5: Solve for x
    x = 162,879,933,653,082.25/11,844,561.85
  6. Step 6: Final answer
    x = 13,751,452.84

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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.