Home / 8,398,230.76-11,589,927.42-4,727,384.20

Finding the Fourth Proportional to 8,398,230.76, 11,589,927.42 and 4,727,384.20

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Solution

The fourth proportional to 8,398,230.76, 11,589,927.42 and 4,727,384.20 is: 6,523,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398,230.76 : 11,589,927.42 = 4,727,384.20 : x
  2. Step 2: Convert to fraction form
    8,398,230.76/11,589,927.42 = 4,727,384.20/x
  3. Step 3: Cross multiply
    8,398,230.76x = 11,589,927.42 × 4,727,384.20
  4. Step 4: Simplify right side
    8,398,230.76x = 54,790,039,764,454.77
  5. Step 5: Solve for x
    x = 54,790,039,764,454.77/8,398,230.76
  6. Step 6: Final answer
    x = 6,523,997.89

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Double scale
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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.