Home / 8,615,122.69-11,888,871.79-4,694,879.89

Finding the Fourth Proportional to 8,615,122.69, 11,888,871.79 and 4,694,879.89

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Solution

The fourth proportional to 8,615,122.69, 11,888,871.79 and 4,694,879.89 is: 6,478,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,122.69 : 11,888,871.79 = 4,694,879.89 : x
  2. Step 2: Convert to fraction form
    8,615,122.69/11,888,871.79 = 4,694,879.89/x
  3. Step 3: Cross multiply
    8,615,122.69x = 11,888,871.79 × 4,694,879.89
  4. Step 4: Simplify right side
    8,615,122.69x = 55,816,825,058,184.90
  5. Step 5: Solve for x
    x = 55,816,825,058,184.90/8,615,122.69
  6. Step 6: Final answer
    x = 6,478,935.60

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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.