Home / 21,019,381.92-29,006,955.69-11,726,873.59

Finding the Fourth Proportional to 21,019,381.92, 29,006,955.69 and 11,726,873.59

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Solution

The fourth proportional to 21,019,381.92, 29,006,955.69 and 11,726,873.59 is: 16,183,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,381.92 : 29,006,955.69 = 11,726,873.59 : x
  2. Step 2: Convert to fraction form
    21,019,381.92/29,006,955.69 = 11,726,873.59/x
  3. Step 3: Cross multiply
    21,019,381.92x = 29,006,955.69 × 11,726,873.59
  4. Step 4: Simplify right side
    21,019,381.92x = 340,160,902,607,361.25
  5. Step 5: Solve for x
    x = 340,160,902,607,361.25/21,019,381.92
  6. Step 6: Final answer
    x = 16,183,201.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.