Home / 11,577,883.95-15,978,461.09-6,422,906.25

Finding the Fourth Proportional to 11,577,883.95, 15,978,461.09 and 6,422,906.25

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Solution

The fourth proportional to 11,577,883.95, 15,978,461.09 and 6,422,906.25 is: 8,864,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577,883.95 : 15,978,461.09 = 6,422,906.25 : x
  2. Step 2: Convert to fraction form
    11,577,883.95/15,978,461.09 = 6,422,906.25/x
  3. Step 3: Cross multiply
    11,577,883.95x = 15,978,461.09 × 6,422,906.25
  4. Step 4: Simplify right side
    11,577,883.95x = 102,628,157,568,228.28
  5. Step 5: Solve for x
    x = 102,628,157,568,228.28/11,577,883.95
  6. Step 6: Final answer
    x = 8,864,154.97

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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.