Home / 12,474,352.80-18,711,529.20-5,654,193.30

Finding the Fourth Proportional to 12,474,352.80, 18,711,529.20 and 5,654,193.30

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Solution

The fourth proportional to 12,474,352.80, 18,711,529.20 and 5,654,193.30 is: 8,481,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,352.80 : 18,711,529.20 = 5,654,193.30 : x
  2. Step 2: Convert to fraction form
    12,474,352.80/18,711,529.20 = 5,654,193.30/x
  3. Step 3: Cross multiply
    12,474,352.80x = 18,711,529.20 × 5,654,193.30
  4. Step 4: Simplify right side
    12,474,352.80x = 105,798,603,035,394.36
  5. Step 5: Solve for x
    x = 105,798,603,035,394.36/12,474,352.80
  6. Step 6: Final answer
    x = 8,481,289.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.