Home / 31,504,159.20-47,256,238.80-18,536,998.80

Finding the Fourth Proportional to 31,504,159.20, 47,256,238.80 and 18,536,998.80

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Solution

The fourth proportional to 31,504,159.20, 47,256,238.80 and 18,536,998.80 is: 27,805,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,159.20 : 47,256,238.80 = 18,536,998.80 : x
  2. Step 2: Convert to fraction form
    31,504,159.20/47,256,238.80 = 18,536,998.80/x
  3. Step 3: Cross multiply
    31,504,159.20x = 47,256,238.80 × 18,536,998.80
  4. Step 4: Simplify right side
    31,504,159.20x = 875,988,841,928,113.38
  5. Step 5: Solve for x
    x = 875,988,841,928,113.38/31,504,159.20
  6. Step 6: Final answer
    x = 27,805,498.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.