Home / 28,728,480.72-43,112,240.04-11,692,253.72

Finding the Fourth Proportional to 28,728,480.72, 43,112,240.04 and 11,692,253.72

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Solution

The fourth proportional to 28,728,480.72, 43,112,240.04 and 11,692,253.72 is: 17,546,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,480.72 : 43,112,240.04 = 11,692,253.72 : x
  2. Step 2: Convert to fraction form
    28,728,480.72/43,112,240.04 = 11,692,253.72/x
  3. Step 3: Cross multiply
    28,728,480.72x = 43,112,240.04 × 11,692,253.72
  4. Step 4: Simplify right side
    28,728,480.72x = 504,079,248,985,222.94
  5. Step 5: Solve for x
    x = 504,079,248,985,222.94/28,728,480.72
  6. Step 6: Final answer
    x = 17,546,324.64

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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.