Home / 31,504,240.20-47,256,360.30-18,537,079.80

Finding the Fourth Proportional to 31,504,240.20, 47,256,360.30 and 18,537,079.80

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Solution

The fourth proportional to 31,504,240.20, 47,256,360.30 and 18,537,079.80 is: 27,805,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,240.20 : 47,256,360.30 = 18,537,079.80 : x
  2. Step 2: Convert to fraction form
    31,504,240.20/47,256,360.30 = 18,537,079.80/x
  3. Step 3: Cross multiply
    31,504,240.20x = 47,256,360.30 × 18,537,079.80
  4. Step 4: Simplify right side
    31,504,240.20x = 875,994,921,938,651.88
  5. Step 5: Solve for x
    x = 875,994,921,938,651.88/31,504,240.20
  6. Step 6: Final answer
    x = 27,805,619.70

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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.