Home / 31,967,999.40-47,951,999.10-19,202,917.80

Finding the Fourth Proportional to 31,967,999.40, 47,951,999.10 and 19,202,917.80

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Solution

The fourth proportional to 31,967,999.40, 47,951,999.10 and 19,202,917.80 is: 28,804,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,967,999.40 : 47,951,999.10 = 19,202,917.80 : x
  2. Step 2: Convert to fraction form
    31,967,999.40/47,951,999.10 = 19,202,917.80/x
  3. Step 3: Cross multiply
    31,967,999.40x = 47,951,999.10 × 19,202,917.80
  4. Step 4: Simplify right side
    31,967,999.40x = 920,818,297,062,974
  5. Step 5: Solve for x
    x = 920,818,297,062,974/31,967,999.40
  6. Step 6: Final answer
    x = 28,804,376.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.