Home / 11,577,558.52-15,978,012-6,422,580.82

Finding the Fourth Proportional to 11,577,558.52, 15,978,012 and 6,422,580.82

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Solution

The fourth proportional to 11,577,558.52, 15,978,012 and 6,422,580.82 is: 8,863,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577,558.52 : 15,978,012 = 6,422,580.82 : x
  2. Step 2: Convert to fraction form
    11,577,558.52/15,978,012 = 6,422,580.82/x
  3. Step 3: Cross multiply
    11,577,558.52x = 15,978,012 × 6,422,580.82
  4. Step 4: Simplify right side
    11,577,558.52x = 102,620,073,412,929.84
  5. Step 5: Solve for x
    x = 102,620,073,412,929.84/11,577,558.52
  6. Step 6: Final answer
    x = 8,863,705.87

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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.