Home / 18,393,670.64-25,383,272.64-10,663,194.80

Finding the Fourth Proportional to 18,393,670.64, 25,383,272.64 and 10,663,194.80

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Solution

The fourth proportional to 18,393,670.64, 25,383,272.64 and 10,663,194.80 is: 14,715,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,670.64 : 25,383,272.64 = 10,663,194.80 : x
  2. Step 2: Convert to fraction form
    18,393,670.64/25,383,272.64 = 10,663,194.80/x
  3. Step 3: Cross multiply
    18,393,670.64x = 25,383,272.64 × 10,663,194.80
  4. Step 4: Simplify right side
    18,393,670.64x = 270,666,780,821,830.31
  5. Step 5: Solve for x
    x = 270,666,780,821,830.31/18,393,670.64
  6. Step 6: Final answer
    x = 14,715,212.97

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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.