Home / 14,578,102.72-20,121,672.64-8,383,825.92

Finding the Fourth Proportional to 14,578,102.72, 20,121,672.64 and 8,383,825.92

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Solution

The fourth proportional to 14,578,102.72, 20,121,672.64 and 8,383,825.92 is: 11,571,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578,102.72 : 20,121,672.64 = 8,383,825.92 : x
  2. Step 2: Convert to fraction form
    14,578,102.72/20,121,672.64 = 8,383,825.92/x
  3. Step 3: Cross multiply
    14,578,102.72x = 20,121,672.64 × 8,383,825.92
  4. Step 4: Simplify right side
    14,578,102.72x = 168,696,600,632,986.84
  5. Step 5: Solve for x
    x = 168,696,600,632,986.84/14,578,102.72
  6. Step 6: Final answer
    x = 11,571,917.41

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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.