Home / 21,186,336.33-29,234,769.35-12,483,942.57

Finding the Fourth Proportional to 21,186,336.33, 29,234,769.35 and 12,483,942.57

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Solution

The fourth proportional to 21,186,336.33, 29,234,769.35 and 12,483,942.57 is: 17,226,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,336.33 : 29,234,769.35 = 12,483,942.57 : x
  2. Step 2: Convert to fraction form
    21,186,336.33/29,234,769.35 = 12,483,942.57/x
  3. Step 3: Cross multiply
    21,186,336.33x = 29,234,769.35 × 12,483,942.57
  4. Step 4: Simplify right side
    21,186,336.33x = 364,965,181,550,176.50
  5. Step 5: Solve for x
    x = 364,965,181,550,176.50/21,186,336.33
  6. Step 6: Final answer
    x = 17,226,441.41

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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.