Home / 12,846,967-17,728,814.58-7,123,831

Finding the Fourth Proportional to 12,846,967, 17,728,814.58 and 7,123,831

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Solution

The fourth proportional to 12,846,967, 17,728,814.58 and 7,123,831 is: 9,830,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846,967 : 17,728,814.58 = 7,123,831 : x
  2. Step 2: Convert to fraction form
    12,846,967/17,728,814.58 = 7,123,831/x
  3. Step 3: Cross multiply
    12,846,967x = 17,728,814.58 × 7,123,831
  4. Step 4: Simplify right side
    12,846,967x = 126,297,078,898,255.97
  5. Step 5: Solve for x
    x = 126,297,078,898,255.97/12,846,967
  6. Step 6: Final answer
    x = 9,830,886.85

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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.