Home / 31,776,145.09-43,849,789.01-18,024,813.97

Finding the Fourth Proportional to 31,776,145.09, 43,849,789.01 and 18,024,813.97

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Solution

The fourth proportional to 31,776,145.09, 43,849,789.01 and 18,024,813.97 is: 24,873,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776,145.09 : 43,849,789.01 = 18,024,813.97 : x
  2. Step 2: Convert to fraction form
    31,776,145.09/43,849,789.01 = 18,024,813.97/x
  3. Step 3: Cross multiply
    31,776,145.09x = 43,849,789.01 × 18,024,813.97
  4. Step 4: Simplify right side
    31,776,145.09x = 790,384,289,529,000.38
  5. Step 5: Solve for x
    x = 790,384,289,529,000.38/31,776,145.09
  6. Step 6: Final answer
    x = 24,873,510.85

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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.