Home / 21,165,350.19-31,751,180.03-7,517,349.96

Finding the Fourth Proportional to 21,165,350.19, 31,751,180.03 and 7,517,349.96

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Solution

The fourth proportional to 21,165,350.19, 31,751,180.03 and 7,517,349.96 is: 11,277,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,165,350.19 : 31,751,180.03 = 7,517,349.96 : x
  2. Step 2: Convert to fraction form
    21,165,350.19/31,751,180.03 = 7,517,349.96/x
  3. Step 3: Cross multiply
    21,165,350.19x = 31,751,180.03 × 7,517,349.96
  4. Step 4: Simplify right side
    21,165,350.19x = 238,684,731,928,473.31
  5. Step 5: Solve for x
    x = 238,684,731,928,473.31/21,165,350.19
  6. Step 6: Final answer
    x = 11,277,145.42

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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.