Home / 8,618,721.36-11,893,871.48-4,751,157.66

Finding the Fourth Proportional to 8,618,721.36, 11,893,871.48 and 4,751,157.66

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Solution

The fourth proportional to 8,618,721.36, 11,893,871.48 and 4,751,157.66 is: 6,556,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618,721.36 : 11,893,871.48 = 4,751,157.66 : x
  2. Step 2: Convert to fraction form
    8,618,721.36/11,893,871.48 = 4,751,157.66/x
  3. Step 3: Cross multiply
    8,618,721.36x = 11,893,871.48 × 4,751,157.66
  4. Step 4: Simplify right side
    8,618,721.36x = 56,509,658,589,257.54
  5. Step 5: Solve for x
    x = 56,509,658,589,257.54/8,618,721.36
  6. Step 6: Final answer
    x = 6,556,617.42

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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.