Home / 21,956,485.73-30,300,128.20-12,167,093.43

Finding the Fourth Proportional to 21,956,485.73, 30,300,128.20 and 12,167,093.43

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Solution

The fourth proportional to 21,956,485.73, 30,300,128.20 and 12,167,093.43 is: 16,790,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,485.73 : 30,300,128.20 = 12,167,093.43 : x
  2. Step 2: Convert to fraction form
    21,956,485.73/30,300,128.20 = 12,167,093.43/x
  3. Step 3: Cross multiply
    21,956,485.73x = 30,300,128.20 × 12,167,093.43
  4. Step 4: Simplify right side
    21,956,485.73x = 368,664,490,765,586.62
  5. Step 5: Solve for x
    x = 368,664,490,765,586.62/21,956,485.73
  6. Step 6: Final answer
    x = 16,790,687.52

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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.