Home / 21,956,451.39-30,300,083.44-12,167,059.07

Finding the Fourth Proportional to 21,956,451.39, 30,300,083.44 and 12,167,059.07

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Solution

The fourth proportional to 21,956,451.39, 30,300,083.44 and 12,167,059.07 is: 16,790,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,451.39 : 30,300,083.44 = 12,167,059.07 : x
  2. Step 2: Convert to fraction form
    21,956,451.39/30,300,083.44 = 12,167,059.07/x
  3. Step 3: Cross multiply
    21,956,451.39x = 30,300,083.44 × 12,167,059.07
  4. Step 4: Simplify right side
    21,956,451.39x = 368,662,904,858,490.75
  5. Step 5: Solve for x
    x = 368,662,904,858,490.75/21,956,451.39
  6. Step 6: Final answer
    x = 16,790,641.54

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1.5x scale

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.