Home / 12,777,322.60-19,134,491.10-8,494,301.80

Finding the Fourth Proportional to 12,777,322.60, 19,134,491.10 and 8,494,301.80

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Solution

The fourth proportional to 12,777,322.60, 19,134,491.10 and 8,494,301.80 is: 12,720,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,322.60 : 19,134,491.10 = 8,494,301.80 : x
  2. Step 2: Convert to fraction form
    12,777,322.60/19,134,491.10 = 8,494,301.80/x
  3. Step 3: Cross multiply
    12,777,322.60x = 19,134,491.10 × 8,494,301.80
  4. Step 4: Simplify right side
    12,777,322.60x = 162,534,142,192,814
  5. Step 5: Solve for x
    x = 162,534,142,192,814/12,777,322.60
  6. Step 6: Final answer
    x = 12,720,516.44

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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.