Home / 21,671,917.50-32,464,559.97-13,031,286.92

Finding the Fourth Proportional to 21,671,917.50, 32,464,559.97 and 13,031,286.92

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Solution

The fourth proportional to 21,671,917.50, 32,464,559.97 and 13,031,286.92 is: 19,520,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671,917.50 : 32,464,559.97 = 13,031,286.92 : x
  2. Step 2: Convert to fraction form
    21,671,917.50/32,464,559.97 = 13,031,286.92/x
  3. Step 3: Cross multiply
    21,671,917.50x = 32,464,559.97 × 13,031,286.92
  4. Step 4: Simplify right side
    21,671,917.50x = 423,054,995,538,293.75
  5. Step 5: Solve for x
    x = 423,054,995,538,293.75/21,671,917.50
  6. Step 6: Final answer
    x = 19,520,884.37

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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.