Home / 6,508,208.72-8,978,290.44-4,095,091.28

Finding the Fourth Proportional to 6,508,208.72, 8,978,290.44 and 4,095,091.28

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Solution

The fourth proportional to 6,508,208.72, 8,978,290.44 and 4,095,091.28 is: 5,649,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508,208.72 : 8,978,290.44 = 4,095,091.28 : x
  2. Step 2: Convert to fraction form
    6,508,208.72/8,978,290.44 = 4,095,091.28/x
  3. Step 3: Cross multiply
    6,508,208.72x = 8,978,290.44 × 4,095,091.28
  4. Step 4: Simplify right side
    6,508,208.72x = 36,766,918,890,151.36
  5. Step 5: Solve for x
    x = 36,766,918,890,151.36/6,508,208.72
  6. Step 6: Final answer
    x = 5,649,314.65

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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.