Home / 8,262,286.54-11,403,003.96-4,999,128.23

Finding the Fourth Proportional to 8,262,286.54, 11,403,003.96 and 4,999,128.23

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Solution

The fourth proportional to 8,262,286.54, 11,403,003.96 and 4,999,128.23 is: 6,899,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262,286.54 : 11,403,003.96 = 4,999,128.23 : x
  2. Step 2: Convert to fraction form
    8,262,286.54/11,403,003.96 = 4,999,128.23/x
  3. Step 3: Cross multiply
    8,262,286.54x = 11,403,003.96 × 4,999,128.23
  4. Step 4: Simplify right side
    8,262,286.54x = 57,005,079,031,745.30
  5. Step 5: Solve for x
    x = 57,005,079,031,745.30/8,262,286.54
  6. Step 6: Final answer
    x = 6,899,431.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.