Home / 11,478,362.48-15,840,856.62-6,321,722.72

Finding the Fourth Proportional to 11,478,362.48, 15,840,856.62 and 6,321,722.72

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Solution

The fourth proportional to 11,478,362.48, 15,840,856.62 and 6,321,722.72 is: 8,724,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,362.48 : 15,840,856.62 = 6,321,722.72 : x
  2. Step 2: Convert to fraction form
    11,478,362.48/15,840,856.62 = 6,321,722.72/x
  3. Step 3: Cross multiply
    11,478,362.48x = 15,840,856.62 × 6,321,722.72
  4. Step 4: Simplify right side
    11,478,362.48x = 100,141,503,198,916.39
  5. Step 5: Solve for x
    x = 100,141,503,198,916.39/11,478,362.48
  6. Step 6: Final answer
    x = 8,724,371.91

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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.