Home / 21,853,910.40-32,805,748.80-12,883,516.80

Finding the Fourth Proportional to 21,853,910.40, 32,805,748.80 and 12,883,516.80

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Solution

The fourth proportional to 21,853,910.40, 32,805,748.80 and 12,883,516.80 is: 19,339,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,910.40 : 32,805,748.80 = 12,883,516.80 : x
  2. Step 2: Convert to fraction form
    21,853,910.40/32,805,748.80 = 12,883,516.80/x
  3. Step 3: Cross multiply
    21,853,910.40x = 32,805,748.80 × 12,883,516.80
  4. Step 4: Simplify right side
    21,853,910.40x = 422,653,415,801,379.88
  5. Step 5: Solve for x
    x = 422,653,415,801,379.88/21,853,910.40
  6. Step 6: Final answer
    x = 19,339,944.57

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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.