Home / 9,672,109.89-13,348,453.69-7,220,463.75

Finding the Fourth Proportional to 9,672,109.89, 13,348,453.69 and 7,220,463.75

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Solution

The fourth proportional to 9,672,109.89, 13,348,453.69 and 7,220,463.75 is: 9,964,943.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672,109.89 : 13,348,453.69 = 7,220,463.75 : x
  2. Step 2: Convert to fraction form
    9,672,109.89/13,348,453.69 = 7,220,463.75/x
  3. Step 3: Cross multiply
    9,672,109.89x = 13,348,453.69 × 7,220,463.75
  4. Step 4: Simplify right side
    9,672,109.89x = 96,382,025,987,198.73
  5. Step 5: Solve for x
    x = 96,382,025,987,198.73/9,672,109.89
  6. Step 6: Final answer
    x = 9,964,943.23

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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.