Home / 9,685,906.72-13,366,550.64-5,613,887.68

Finding the Fourth Proportional to 9,685,906.72, 13,366,550.64 and 5,613,887.68

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Solution

The fourth proportional to 9,685,906.72, 13,366,550.64 and 5,613,887.68 is: 7,747,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685,906.72 : 13,366,550.64 = 5,613,887.68 : x
  2. Step 2: Convert to fraction form
    9,685,906.72/13,366,550.64 = 5,613,887.68/x
  3. Step 3: Cross multiply
    9,685,906.72x = 13,366,550.64 × 5,613,887.68
  4. Step 4: Simplify right side
    9,685,906.72x = 75,038,313,961,992.11
  5. Step 5: Solve for x
    x = 75,038,313,961,992.11/9,685,906.72
  6. Step 6: Final answer
    x = 7,747,164.63

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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.