Home / 19,957,122.63-27,540,826.61-10,789,765.38

Finding the Fourth Proportional to 19,957,122.63, 27,540,826.61 and 10,789,765.38

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Solution

The fourth proportional to 19,957,122.63, 27,540,826.61 and 10,789,765.38 is: 14,889,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957,122.63 : 27,540,826.61 = 10,789,765.38 : x
  2. Step 2: Convert to fraction form
    19,957,122.63/27,540,826.61 = 10,789,765.38/x
  3. Step 3: Cross multiply
    19,957,122.63x = 27,540,826.61 × 10,789,765.38
  4. Step 4: Simplify right side
    19,957,122.63x = 297,159,057,439,211.94
  5. Step 5: Solve for x
    x = 297,159,057,439,211.94/19,957,122.63
  6. Step 6: Final answer
    x = 14,889,874.81

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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.