Home / 8,276,662.71-11,415,323.97-5,376,987.86

Finding the Fourth Proportional to 8,276,662.71, 11,415,323.97 and 5,376,987.86

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Solution

The fourth proportional to 8,276,662.71, 11,415,323.97 and 5,376,987.86 is: 7,416,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276,662.71 : 11,415,323.97 = 5,376,987.86 : x
  2. Step 2: Convert to fraction form
    8,276,662.71/11,415,323.97 = 5,376,987.86/x
  3. Step 3: Cross multiply
    8,276,662.71x = 11,415,323.97 × 5,376,987.86
  4. Step 4: Simplify right side
    8,276,662.71x = 61,380,058,347,580.39
  5. Step 5: Solve for x
    x = 61,380,058,347,580.39/8,276,662.71
  6. Step 6: Final answer
    x = 7,416,039.59

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1.5x scale

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.