Home / 21,063,511.40-31,548,027.90-17,284,375.40

Finding the Fourth Proportional to 21,063,511.40, 31,548,027.90 and 17,284,375.40

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Solution

The fourth proportional to 21,063,511.40, 31,548,027.90 and 17,284,375.40 is: 25,887,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,511.40 : 31,548,027.90 = 17,284,375.40 : x
  2. Step 2: Convert to fraction form
    21,063,511.40/31,548,027.90 = 17,284,375.40/x
  3. Step 3: Cross multiply
    21,063,511.40x = 31,548,027.90 × 17,284,375.40
  4. Step 4: Simplify right side
    21,063,511.40x = 545,287,957,353,273.56
  5. Step 5: Solve for x
    x = 545,287,957,353,273.56/21,063,511.40
  6. Step 6: Final answer
    x = 25,887,799.38

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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.