Home / 21,815,371.08-30,105,305.19-12,025,602.54

Finding the Fourth Proportional to 21,815,371.08, 30,105,305.19 and 12,025,602.54

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Solution

The fourth proportional to 21,815,371.08, 30,105,305.19 and 12,025,602.54 is: 16,595,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815,371.08 : 30,105,305.19 = 12,025,602.54 : x
  2. Step 2: Convert to fraction form
    21,815,371.08/30,105,305.19 = 12,025,602.54/x
  3. Step 3: Cross multiply
    21,815,371.08x = 30,105,305.19 × 12,025,602.54
  4. Step 4: Simplify right side
    21,815,371.08x = 362,034,434,560,339.19
  5. Step 5: Solve for x
    x = 362,034,434,560,339.19/21,815,371.08
  6. Step 6: Final answer
    x = 16,595,382.83

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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.