Home / 31,504,283.20-47,256,424.80-18,537,122.80

Finding the Fourth Proportional to 31,504,283.20, 47,256,424.80 and 18,537,122.80

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Solution

The fourth proportional to 31,504,283.20, 47,256,424.80 and 18,537,122.80 is: 27,805,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,283.20 : 47,256,424.80 = 18,537,122.80 : x
  2. Step 2: Convert to fraction form
    31,504,283.20/47,256,424.80 = 18,537,122.80/x
  3. Step 3: Cross multiply
    31,504,283.20x = 47,256,424.80 × 18,537,122.80
  4. Step 4: Simplify right side
    31,504,283.20x = 875,998,149,606,565.38
  5. Step 5: Solve for x
    x = 875,998,149,606,565.38/31,504,283.20
  6. Step 6: Final answer
    x = 27,805,684.20

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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.