Home / 13,431,914.83-18,530,660.41-8,468,724.14

Finding the Fourth Proportional to 13,431,914.83, 18,530,660.41 and 8,468,724.14

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Solution

The fourth proportional to 13,431,914.83, 18,530,660.41 and 8,468,724.14 is: 11,683,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,914.83 : 18,530,660.41 = 8,468,724.14 : x
  2. Step 2: Convert to fraction form
    13,431,914.83/18,530,660.41 = 8,468,724.14/x
  3. Step 3: Cross multiply
    13,431,914.83x = 18,530,660.41 × 8,468,724.14
  4. Step 4: Simplify right side
    13,431,914.83x = 156,931,051,144,309.31
  5. Step 5: Solve for x
    x = 156,931,051,144,309.31/13,431,914.83
  6. Step 6: Final answer
    x = 11,683,445.97

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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.