Home / 13,306,912.20-19,960,368.30-4,787,526.60

Finding the Fourth Proportional to 13,306,912.20, 19,960,368.30 and 4,787,526.60

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Solution

The fourth proportional to 13,306,912.20, 19,960,368.30 and 4,787,526.60 is: 7,181,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,912.20 : 19,960,368.30 = 4,787,526.60 : x
  2. Step 2: Convert to fraction form
    13,306,912.20/19,960,368.30 = 4,787,526.60/x
  3. Step 3: Cross multiply
    13,306,912.20x = 19,960,368.30 × 4,787,526.60
  4. Step 4: Simplify right side
    13,306,912.20x = 95,560,794,182,046.78
  5. Step 5: Solve for x
    x = 95,560,794,182,046.78/13,306,912.20
  6. Step 6: Final answer
    x = 7,181,289.90

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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.