Home / 21,956,451.64-30,300,083.78-12,167,059.32

Finding the Fourth Proportional to 21,956,451.64, 30,300,083.78 and 12,167,059.32

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Solution

The fourth proportional to 21,956,451.64, 30,300,083.78 and 12,167,059.32 is: 16,790,641.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,451.64 : 30,300,083.78 = 12,167,059.32 : x
  2. Step 2: Convert to fraction form
    21,956,451.64/30,300,083.78 = 12,167,059.32/x
  3. Step 3: Cross multiply
    21,956,451.64x = 30,300,083.78 × 12,167,059.32
  4. Step 4: Simplify right side
    21,956,451.64x = 368,662,916,752,229.88
  5. Step 5: Solve for x
    x = 368,662,916,752,229.88/21,956,451.64
  6. Step 6: Final answer
    x = 16,790,641.89

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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.