Home / 19,570,141.49-27,020,306.03-12,231,273.38

Finding the Fourth Proportional to 19,570,141.49, 27,020,306.03 and 12,231,273.38

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Solution

The fourth proportional to 19,570,141.49, 27,020,306.03 and 12,231,273.38 is: 16,887,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,141.49 : 27,020,306.03 = 12,231,273.38 : x
  2. Step 2: Convert to fraction form
    19,570,141.49/27,020,306.03 = 12,231,273.38/x
  3. Step 3: Cross multiply
    19,570,141.49x = 27,020,306.03 × 12,231,273.38
  4. Step 4: Simplify right side
    19,570,141.49x = 330,492,749,667,934.56
  5. Step 5: Solve for x
    x = 330,492,749,667,934.56/19,570,141.49
  6. Step 6: Final answer
    x = 16,887,601.45

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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.