Home / 13,941,793.80-19,241,174.61-8,438,197.41

Finding the Fourth Proportional to 13,941,793.80, 19,241,174.61 and 8,438,197.41

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Solution

The fourth proportional to 13,941,793.80, 19,241,174.61 and 8,438,197.41 is: 11,645,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,793.80 : 19,241,174.61 = 8,438,197.41 : x
  2. Step 2: Convert to fraction form
    13,941,793.80/19,241,174.61 = 8,438,197.41/x
  3. Step 3: Cross multiply
    13,941,793.80x = 19,241,174.61 × 8,438,197.41
  4. Step 4: Simplify right side
    13,941,793.80x = 162,360,829,759,459.75
  5. Step 5: Solve for x
    x = 162,360,829,759,459.75/13,941,793.80
  6. Step 6: Final answer
    x = 11,645,619.79

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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.