Home / 19,941,722.52-27,542,277.36-13,404,001.65

Finding the Fourth Proportional to 19,941,722.52, 27,542,277.36 and 13,404,001.65

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Solution

The fourth proportional to 19,941,722.52, 27,542,277.36 and 13,404,001.65 is: 18,512,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941,722.52 : 27,542,277.36 = 13,404,001.65 : x
  2. Step 2: Convert to fraction form
    19,941,722.52/27,542,277.36 = 13,404,001.65/x
  3. Step 3: Cross multiply
    19,941,722.52x = 27,542,277.36 × 13,404,001.65
  4. Step 4: Simplify right side
    19,941,722.52x = 369,176,731,178,197.62
  5. Step 5: Solve for x
    x = 369,176,731,178,197.62/19,941,722.52
  6. Step 6: Final answer
    x = 18,512,780.47

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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.