Home / 21,551,340.28-29,741,543.32-12,258,671.44

Finding the Fourth Proportional to 21,551,340.28, 29,741,543.32 and 12,258,671.44

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Solution

The fourth proportional to 21,551,340.28, 29,741,543.32 and 12,258,671.44 is: 16,917,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,340.28 : 29,741,543.32 = 12,258,671.44 : x
  2. Step 2: Convert to fraction form
    21,551,340.28/29,741,543.32 = 12,258,671.44/x
  3. Step 3: Cross multiply
    21,551,340.28x = 29,741,543.32 × 12,258,671.44
  4. Step 4: Simplify right side
    21,551,340.28x = 364,591,807,678,406.75
  5. Step 5: Solve for x
    x = 364,591,807,678,406.75/21,551,340.28
  6. Step 6: Final answer
    x = 16,917,361.19

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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.