Home / 9,789,183.66-13,508,770.68-5,438,156.88

Finding the Fourth Proportional to 9,789,183.66, 13,508,770.68 and 5,438,156.88

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Solution

The fourth proportional to 9,789,183.66, 13,508,770.68 and 5,438,156.88 is: 7,504,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,183.66 : 13,508,770.68 = 5,438,156.88 : x
  2. Step 2: Convert to fraction form
    9,789,183.66/13,508,770.68 = 5,438,156.88/x
  3. Step 3: Cross multiply
    9,789,183.66x = 13,508,770.68 × 5,438,156.88
  4. Step 4: Simplify right side
    9,789,183.66x = 73,462,814,213,784.28
  5. Step 5: Solve for x
    x = 73,462,814,213,784.28/9,789,183.66
  6. Step 6: Final answer
    x = 7,504,488.30

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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.