Home / 12,149,963.34-16,771,168.43-6,995,379.30

Finding the Fourth Proportional to 12,149,963.34, 16,771,168.43 and 6,995,379.30

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Solution

The fourth proportional to 12,149,963.34, 16,771,168.43 and 6,995,379.30 is: 9,656,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,963.34 : 16,771,168.43 = 6,995,379.30 : x
  2. Step 2: Convert to fraction form
    12,149,963.34/16,771,168.43 = 6,995,379.30/x
  3. Step 3: Cross multiply
    12,149,963.34x = 16,771,168.43 × 6,995,379.30
  4. Step 4: Simplify right side
    12,149,963.34x = 117,320,684,472,035.50
  5. Step 5: Solve for x
    x = 117,320,684,472,035.50/12,149,963.34
  6. Step 6: Final answer
    x = 9,656,052.55

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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.