Home / 12,867,234.30-17,756,782.92-7,066,112.94

Finding the Fourth Proportional to 12,867,234.30, 17,756,782.92 and 7,066,112.94

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Solution

The fourth proportional to 12,867,234.30, 17,756,782.92 and 7,066,112.94 is: 9,751,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867,234.30 : 17,756,782.92 = 7,066,112.94 : x
  2. Step 2: Convert to fraction form
    12,867,234.30/17,756,782.92 = 7,066,112.94/x
  3. Step 3: Cross multiply
    12,867,234.30x = 17,756,782.92 × 7,066,112.94
  4. Step 4: Simplify right side
    12,867,234.30x = 125,471,433,563,783
  5. Step 5: Solve for x
    x = 125,471,433,563,783/12,867,234.30
  6. Step 6: Final answer
    x = 9,751,235.63

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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.