Home / 13,941,803.80-19,241,188.41-8,438,207.41

Finding the Fourth Proportional to 13,941,803.80, 19,241,188.41 and 8,438,207.41

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Solution

The fourth proportional to 13,941,803.80, 19,241,188.41 and 8,438,207.41 is: 11,645,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,803.80 : 19,241,188.41 = 8,438,207.41 : x
  2. Step 2: Convert to fraction form
    13,941,803.80/19,241,188.41 = 8,438,207.41/x
  3. Step 3: Cross multiply
    13,941,803.80x = 19,241,188.41 × 8,438,207.41
  4. Step 4: Simplify right side
    13,941,803.80x = 162,361,138,618,468.12
  5. Step 5: Solve for x
    x = 162,361,138,618,468.12/13,941,803.80
  6. Step 6: Final answer
    x = 11,645,633.59

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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.