Home / 8,398,231.76-11,589,928.80-4,727,385.20

Finding the Fourth Proportional to 8,398,231.76, 11,589,928.80 and 4,727,385.20

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Solution

The fourth proportional to 8,398,231.76, 11,589,928.80 and 4,727,385.20 is: 6,523,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398,231.76 : 11,589,928.80 = 4,727,385.20 : x
  2. Step 2: Convert to fraction form
    8,398,231.76/11,589,928.80 = 4,727,385.20/x
  3. Step 3: Cross multiply
    8,398,231.76x = 11,589,928.80 × 4,727,385.20
  4. Step 4: Simplify right side
    8,398,231.76x = 54,790,057,878,173.77
  5. Step 5: Solve for x
    x = 54,790,057,878,173.77/8,398,231.76
  6. Step 6: Final answer
    x = 6,523,999.27

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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.