Home / 21,405,020.70-32,083,911.45-11,827,272.90

Finding the Fourth Proportional to 21,405,020.70, 32,083,911.45 and 11,827,272.90

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Solution

The fourth proportional to 21,405,020.70, 32,083,911.45 and 11,827,272.90 is: 17,727,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,405,020.70 : 32,083,911.45 = 11,827,272.90 : x
  2. Step 2: Convert to fraction form
    21,405,020.70/32,083,911.45 = 11,827,272.90/x
  3. Step 3: Cross multiply
    21,405,020.70x = 32,083,911.45 × 11,827,272.90
  4. Step 4: Simplify right side
    21,405,020.70x = 379,465,176,418,584.69
  5. Step 5: Solve for x
    x = 379,465,176,418,584.69/21,405,020.70
  6. Step 6: Final answer
    x = 17,727,858.42

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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.