Home / 12,834,164.80-19,251,247.20-11,390,939.20

Finding the Fourth Proportional to 12,834,164.80, 19,251,247.20 and 11,390,939.20

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Solution

The fourth proportional to 12,834,164.80, 19,251,247.20 and 11,390,939.20 is: 17,086,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834,164.80 : 19,251,247.20 = 11,390,939.20 : x
  2. Step 2: Convert to fraction form
    12,834,164.80/19,251,247.20 = 11,390,939.20/x
  3. Step 3: Cross multiply
    12,834,164.80x = 19,251,247.20 × 11,390,939.20
  4. Step 4: Simplify right side
    12,834,164.80x = 219,289,786,379,370.22
  5. Step 5: Solve for x
    x = 219,289,786,379,370.22/12,834,164.80
  6. Step 6: Final answer
    x = 17,086,408.80

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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.