Home / 16,910,440.32-25,366,716.72-4,780,839.36

Finding the Fourth Proportional to 16,910,440.32, 25,366,716.72 and 4,780,839.36

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Solution

The fourth proportional to 16,910,440.32, 25,366,716.72 and 4,780,839.36 is: 7,171,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910,440.32 : 25,366,716.72 = 4,780,839.36 : x
  2. Step 2: Convert to fraction form
    16,910,440.32/25,366,716.72 = 4,780,839.36/x
  3. Step 3: Cross multiply
    16,910,440.32x = 25,366,716.72 × 4,780,839.36
  4. Step 4: Simplify right side
    16,910,440.32x = 121,274,197,728,946.11
  5. Step 5: Solve for x
    x = 121,274,197,728,946.11/16,910,440.32
  6. Step 6: Final answer
    x = 7,171,557.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.