Home / 12,149,976.24-16,771,186.44-6,995,392.20

Finding the Fourth Proportional to 12,149,976.24, 16,771,186.44 and 6,995,392.20

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Solution

The fourth proportional to 12,149,976.24, 16,771,186.44 and 6,995,392.20 is: 9,656,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,976.24 : 16,771,186.44 = 6,995,392.20 : x
  2. Step 2: Convert to fraction form
    12,149,976.24/16,771,186.44 = 6,995,392.20/x
  3. Step 3: Cross multiply
    12,149,976.24x = 16,771,186.44 × 6,995,392.20
  4. Step 4: Simplify right side
    12,149,976.24x = 117,321,026,807,121.77
  5. Step 5: Solve for x
    x = 117,321,026,807,121.77/12,149,976.24
  6. Step 6: Final answer
    x = 9,656,070.47

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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.