Home / 21,956,516.88-30,300,171.18-12,167,124.39

Finding the Fourth Proportional to 21,956,516.88, 30,300,171.18 and 12,167,124.39

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Solution

The fourth proportional to 21,956,516.88, 30,300,171.18 and 12,167,124.39 is: 16,790,730.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,516.88 : 30,300,171.18 = 12,167,124.39 : x
  2. Step 2: Convert to fraction form
    21,956,516.88/30,300,171.18 = 12,167,124.39/x
  3. Step 3: Cross multiply
    21,956,516.88x = 30,300,171.18 × 12,167,124.39
  4. Step 4: Simplify right side
    21,956,516.88x = 368,665,951,785,353.12
  5. Step 5: Solve for x
    x = 368,665,951,785,353.12/21,956,516.88
  6. Step 6: Final answer
    x = 16,790,730.23

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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.