Home / 21,063,419-31,591,901.46-6,684,623

Finding the Fourth Proportional to 21,063,419, 31,591,901.46 and 6,684,623

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Solution

The fourth proportional to 21,063,419, 31,591,901.46 and 6,684,623 is: 10,025,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,419 : 31,591,901.46 = 6,684,623 : x
  2. Step 2: Convert to fraction form
    21,063,419/31,591,901.46 = 6,684,623/x
  3. Step 3: Cross multiply
    21,063,419x = 31,591,901.46 × 6,684,623
  4. Step 4: Simplify right side
    21,063,419x = 211,179,951,113,249.59
  5. Step 5: Solve for x
    x = 211,179,951,113,249.59/21,063,419
  6. Step 6: Final answer
    x = 10,025,910.38

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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.