Home / 11,804,481.08-17,685,142.08-8,557,978.35

Finding the Fourth Proportional to 11,804,481.08, 17,685,142.08 and 8,557,978.35

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Solution

The fourth proportional to 11,804,481.08, 17,685,142.08 and 8,557,978.35 is: 12,821,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804,481.08 : 17,685,142.08 = 8,557,978.35 : x
  2. Step 2: Convert to fraction form
    11,804,481.08/17,685,142.08 = 8,557,978.35/x
  3. Step 3: Cross multiply
    11,804,481.08x = 17,685,142.08 × 8,557,978.35
  4. Step 4: Simplify right side
    11,804,481.08x = 151,349,062,971,706.19
  5. Step 5: Solve for x
    x = 151,349,062,971,706.19/11,804,481.08
  6. Step 6: Final answer
    x = 12,821,322.85

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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.