Home / 31,504,285.20-47,256,427.80-18,537,124.80

Finding the Fourth Proportional to 31,504,285.20, 47,256,427.80 and 18,537,124.80

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Solution

The fourth proportional to 31,504,285.20, 47,256,427.80 and 18,537,124.80 is: 27,805,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,285.20 : 47,256,427.80 = 18,537,124.80 : x
  2. Step 2: Convert to fraction form
    31,504,285.20/47,256,427.80 = 18,537,124.80/x
  3. Step 3: Cross multiply
    31,504,285.20x = 47,256,427.80 × 18,537,124.80
  4. Step 4: Simplify right side
    31,504,285.20x = 875,998,299,730,789.38
  5. Step 5: Solve for x
    x = 875,998,299,730,789.38/31,504,285.20
  6. Step 6: Final answer
    x = 27,805,687.20

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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.