Home / 13,236,499.80-19,854,749.70-8,197,651.80

Finding the Fourth Proportional to 13,236,499.80, 19,854,749.70 and 8,197,651.80

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Solution

The fourth proportional to 13,236,499.80, 19,854,749.70 and 8,197,651.80 is: 12,296,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,499.80 : 19,854,749.70 = 8,197,651.80 : x
  2. Step 2: Convert to fraction form
    13,236,499.80/19,854,749.70 = 8,197,651.80/x
  3. Step 3: Cross multiply
    13,236,499.80x = 19,854,749.70 × 8,197,651.80
  4. Step 4: Simplify right side
    13,236,499.80x = 162,762,324,616,754.44
  5. Step 5: Solve for x
    x = 162,762,324,616,754.44/13,236,499.80
  6. Step 6: Final answer
    x = 12,296,477.70

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Similar ratio
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1.5x scale

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.