Home / 12,101,656.62-16,700,286.48-6,669,148.62

Finding the Fourth Proportional to 12,101,656.62, 16,700,286.48 and 6,669,148.62

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Solution

The fourth proportional to 12,101,656.62, 16,700,286.48 and 6,669,148.62 is: 9,203,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,656.62 : 16,700,286.48 = 6,669,148.62 : x
  2. Step 2: Convert to fraction form
    12,101,656.62/16,700,286.48 = 6,669,148.62/x
  3. Step 3: Cross multiply
    12,101,656.62x = 16,700,286.48 × 6,669,148.62
  4. Step 4: Simplify right side
    12,101,656.62x = 111,376,692,531,696.66
  5. Step 5: Solve for x
    x = 111,376,692,531,696.66/12,101,656.62
  6. Step 6: Final answer
    x = 9,203,425.29

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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.