Home / 21,951,813.60-30,293,109.96-12,162,061.44

Finding the Fourth Proportional to 21,951,813.60, 30,293,109.96 and 12,162,061.44

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Solution

The fourth proportional to 21,951,813.60, 30,293,109.96 and 12,162,061.44 is: 16,783,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,951,813.60 : 30,293,109.96 = 12,162,061.44 : x
  2. Step 2: Convert to fraction form
    21,951,813.60/30,293,109.96 = 12,162,061.44/x
  3. Step 3: Cross multiply
    21,951,813.60x = 30,293,109.96 × 12,162,061.44
  4. Step 4: Simplify right side
    21,951,813.60x = 368,426,664,542,195.94
  5. Step 5: Solve for x
    x = 368,426,664,542,195.94/21,951,813.60
  6. Step 6: Final answer
    x = 16,783,427.16

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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.