Home / 21,352,145.92-32,041,364.64-8,396,016.64

Finding the Fourth Proportional to 21,352,145.92, 32,041,364.64 and 8,396,016.64

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Solution

The fourth proportional to 21,352,145.92, 32,041,364.64 and 8,396,016.64 is: 12,599,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352,145.92 : 32,041,364.64 = 8,396,016.64 : x
  2. Step 2: Convert to fraction form
    21,352,145.92/32,041,364.64 = 8,396,016.64/x
  3. Step 3: Cross multiply
    21,352,145.92x = 32,041,364.64 × 8,396,016.64
  4. Step 4: Simplify right side
    21,352,145.92x = 269,019,830,685,747.62
  5. Step 5: Solve for x
    x = 269,019,830,685,747.62/21,352,145.92
  6. Step 6: Final answer
    x = 12,599,194.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.