Home / 11,577,556.77-15,978,009.57-6,422,579.07

Finding the Fourth Proportional to 11,577,556.77, 15,978,009.57 and 6,422,579.07

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Solution

The fourth proportional to 11,577,556.77, 15,978,009.57 and 6,422,579.07 is: 8,863,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577,556.77 : 15,978,009.57 = 6,422,579.07 : x
  2. Step 2: Convert to fraction form
    11,577,556.77/15,978,009.57 = 6,422,579.07/x
  3. Step 3: Cross multiply
    11,577,556.77x = 15,978,009.57 × 6,422,579.07
  4. Step 4: Simplify right side
    11,577,556.77x = 102,620,029,844,541.70
  5. Step 5: Solve for x
    x = 102,620,029,844,541.70/11,577,556.77
  6. Step 6: Final answer
    x = 8,863,703.45

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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.