Home / 21,956,449.89-30,300,081.37-12,167,057.57

Finding the Fourth Proportional to 21,956,449.89, 30,300,081.37 and 12,167,057.57

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Solution

The fourth proportional to 21,956,449.89, 30,300,081.37 and 12,167,057.57 is: 16,790,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,449.89 : 30,300,081.37 = 12,167,057.57 : x
  2. Step 2: Convert to fraction form
    21,956,449.89/30,300,081.37 = 12,167,057.57/x
  3. Step 3: Cross multiply
    21,956,449.89x = 30,300,081.37 × 12,167,057.57
  4. Step 4: Simplify right side
    21,956,449.89x = 368,662,834,222,556.38
  5. Step 5: Solve for x
    x = 368,662,834,222,556.38/21,956,449.89
  6. Step 6: Final answer
    x = 16,790,639.47

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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.