Home / 13,660,369.55-20,498,427.53-5,146,815.95

Finding the Fourth Proportional to 13,660,369.55, 20,498,427.53 and 5,146,815.95

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Solution

The fourth proportional to 13,660,369.55, 20,498,427.53 and 5,146,815.95 is: 7,723,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660,369.55 : 20,498,427.53 = 5,146,815.95 : x
  2. Step 2: Convert to fraction form
    13,660,369.55/20,498,427.53 = 5,146,815.95/x
  3. Step 3: Cross multiply
    13,660,369.55x = 20,498,427.53 × 5,146,815.95
  4. Step 4: Simplify right side
    13,660,369.55x = 105,501,633,735,589.02
  5. Step 5: Solve for x
    x = 105,501,633,735,589.02/13,660,369.55
  6. Step 6: Final answer
    x = 7,723,190.31

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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.