Home / 18,393,789.88-25,383,436.98-10,663,313.44

Finding the Fourth Proportional to 18,393,789.88, 25,383,436.98 and 10,663,313.44

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Solution

The fourth proportional to 18,393,789.88, 25,383,436.98 and 10,663,313.44 is: 14,715,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,789.88 : 25,383,436.98 = 10,663,313.44 : x
  2. Step 2: Convert to fraction form
    18,393,789.88/25,383,436.98 = 10,663,313.44/x
  3. Step 3: Cross multiply
    18,393,789.88x = 25,383,436.98 × 10,663,313.44
  4. Step 4: Simplify right side
    18,393,789.88x = 270,671,544,702,227
  5. Step 5: Solve for x
    x = 270,671,544,702,227/18,393,789.88
  6. Step 6: Final answer
    x = 14,715,376.57

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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.