Home / 11,415,728.25-17,120,972.05-6,806,018.86

Finding the Fourth Proportional to 11,415,728.25, 17,120,972.05 and 6,806,018.86

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Solution

The fourth proportional to 11,415,728.25, 17,120,972.05 and 6,806,018.86 is: 10,207,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415,728.25 : 17,120,972.05 = 6,806,018.86 : x
  2. Step 2: Convert to fraction form
    11,415,728.25/17,120,972.05 = 6,806,018.86/x
  3. Step 3: Cross multiply
    11,415,728.25x = 17,120,972.05 × 6,806,018.86
  4. Step 4: Simplify right side
    11,415,728.25x = 116,525,658,614,015.38
  5. Step 5: Solve for x
    x = 116,525,658,614,015.38/11,415,728.25
  6. Step 6: Final answer
    x = 10,207,466.06

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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.