Home / 17,391,816.72-25,970,608.98-14,203,267.92

Finding the Fourth Proportional to 17,391,816.72, 25,970,608.98 and 14,203,267.92

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Solution

The fourth proportional to 17,391,816.72, 25,970,608.98 and 14,203,267.92 is: 21,209,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391,816.72 : 25,970,608.98 = 14,203,267.92 : x
  2. Step 2: Convert to fraction form
    17,391,816.72/25,970,608.98 = 14,203,267.92/x
  3. Step 3: Cross multiply
    17,391,816.72x = 25,970,608.98 × 14,203,267.92
  4. Step 4: Simplify right side
    17,391,816.72x = 368,867,517,388,497.94
  5. Step 5: Solve for x
    x = 368,867,517,388,497.94/17,391,816.72
  6. Step 6: Final answer
    x = 21,209,257.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.