Home / 12,619,740.32-17,394,840.24-9,861,634.88

Finding the Fourth Proportional to 12,619,740.32, 17,394,840.24 and 9,861,634.88

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Solution

The fourth proportional to 12,619,740.32, 17,394,840.24 and 9,861,634.88 is: 13,593,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,740.32 : 17,394,840.24 = 9,861,634.88 : x
  2. Step 2: Convert to fraction form
    12,619,740.32/17,394,840.24 = 9,861,634.88/x
  3. Step 3: Cross multiply
    12,619,740.32x = 17,394,840.24 × 9,861,634.88
  4. Step 4: Simplify right side
    12,619,740.32x = 171,541,563,242,811.56
  5. Step 5: Solve for x
    x = 171,541,563,242,811.56/12,619,740.32
  6. Step 6: Final answer
    x = 13,593,113.56

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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.