Home / 13,296,183.98-18,350,191.86-7,715,659.82

Finding the Fourth Proportional to 13,296,183.98, 18,350,191.86 and 7,715,659.82

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Solution

The fourth proportional to 13,296,183.98, 18,350,191.86 and 7,715,659.82 is: 10,648,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,183.98 : 18,350,191.86 = 7,715,659.82 : x
  2. Step 2: Convert to fraction form
    13,296,183.98/18,350,191.86 = 7,715,659.82/x
  3. Step 3: Cross multiply
    13,296,183.98x = 18,350,191.86 × 7,715,659.82
  4. Step 4: Simplify right side
    13,296,183.98x = 141,583,838,023,493.06
  5. Step 5: Solve for x
    x = 141,583,838,023,493.06/13,296,183.98
  6. Step 6: Final answer
    x = 10,648,456.60

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1.5x scale

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.