Home / 21,068,108.96-31,602,163.44-5,922,040.46

Finding the Fourth Proportional to 21,068,108.96, 31,602,163.44 and 5,922,040.46

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Solution

The fourth proportional to 21,068,108.96, 31,602,163.44 and 5,922,040.46 is: 8,883,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,108.96 : 31,602,163.44 = 5,922,040.46 : x
  2. Step 2: Convert to fraction form
    21,068,108.96/31,602,163.44 = 5,922,040.46/x
  3. Step 3: Cross multiply
    21,068,108.96x = 31,602,163.44 × 5,922,040.46
  4. Step 4: Simplify right side
    21,068,108.96x = 187,149,290,357,201.97
  5. Step 5: Solve for x
    x = 187,149,290,357,201.97/21,068,108.96
  6. Step 6: Final answer
    x = 8,883,060.68

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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.