Home / 11,478,119.55-15,840,521.07-6,321,479.73

Finding the Fourth Proportional to 11,478,119.55, 15,840,521.07 and 6,321,479.73

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Solution

The fourth proportional to 11,478,119.55, 15,840,521.07 and 6,321,479.73 is: 8,724,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,119.55 : 15,840,521.07 = 6,321,479.73 : x
  2. Step 2: Convert to fraction form
    11,478,119.55/15,840,521.07 = 6,321,479.73/x
  3. Step 3: Cross multiply
    11,478,119.55x = 15,840,521.07 × 6,321,479.73
  4. Step 4: Simplify right side
    11,478,119.55x = 100,135,532,856,642.92
  5. Step 5: Solve for x
    x = 100,135,532,856,642.92/11,478,119.55
  6. Step 6: Final answer
    x = 8,724,036.41

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Double scale
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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.