Home / 18,323,849.31-27,479,670.66-7,391,215.32

Finding the Fourth Proportional to 18,323,849.31, 27,479,670.66 and 7,391,215.32

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Solution

The fourth proportional to 18,323,849.31, 27,479,670.66 and 7,391,215.32 is: 11,084,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323,849.31 : 27,479,670.66 = 7,391,215.32 : x
  2. Step 2: Convert to fraction form
    18,323,849.31/27,479,670.66 = 7,391,215.32/x
  3. Step 3: Cross multiply
    18,323,849.31x = 27,479,670.66 × 7,391,215.32
  4. Step 4: Simplify right side
    18,323,849.31x = 203,108,162,770,746.53
  5. Step 5: Solve for x
    x = 203,108,162,770,746.53/18,323,849.31
  6. Step 6: Final answer
    x = 11,084,361.12

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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.