Home / 19,903,072.50-27,474,714.81-13,380,485.04

Finding the Fourth Proportional to 19,903,072.50, 27,474,714.81 and 13,380,485.04

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Solution

The fourth proportional to 19,903,072.50, 27,474,714.81 and 13,380,485.04 is: 18,470,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,072.50 : 27,474,714.81 = 13,380,485.04 : x
  2. Step 2: Convert to fraction form
    19,903,072.50/27,474,714.81 = 13,380,485.04/x
  3. Step 3: Cross multiply
    19,903,072.50x = 27,474,714.81 × 13,380,485.04
  4. Step 4: Simplify right side
    19,903,072.50x = 367,625,010,493,471.38
  5. Step 5: Solve for x
    x = 367,625,010,493,471.38/19,903,072.50
  6. Step 6: Final answer
    x = 18,470,766.79

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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.