Home / 15,978,040.05-23,967,060.08-13,320,835.05

Finding the Fourth Proportional to 15,978,040.05, 23,967,060.08 and 13,320,835.05

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Solution

The fourth proportional to 15,978,040.05, 23,967,060.08 and 13,320,835.05 is: 19,981,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,040.05 : 23,967,060.08 = 13,320,835.05 : x
  2. Step 2: Convert to fraction form
    15,978,040.05/23,967,060.08 = 13,320,835.05/x
  3. Step 3: Cross multiply
    15,978,040.05x = 23,967,060.08 × 13,320,835.05
  4. Step 4: Simplify right side
    15,978,040.05x = 319,261,253,892,515.62
  5. Step 5: Solve for x
    x = 319,261,253,892,515.62/15,978,040.05
  6. Step 6: Final answer
    x = 19,981,252.58

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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.