Home / 31,504,295.70-47,256,443.55-18,537,135.30

Finding the Fourth Proportional to 31,504,295.70, 47,256,443.55 and 18,537,135.30

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Solution

The fourth proportional to 31,504,295.70, 47,256,443.55 and 18,537,135.30 is: 27,805,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,295.70 : 47,256,443.55 = 18,537,135.30 : x
  2. Step 2: Convert to fraction form
    31,504,295.70/47,256,443.55 = 18,537,135.30/x
  3. Step 3: Cross multiply
    31,504,295.70x = 47,256,443.55 × 18,537,135.30
  4. Step 4: Simplify right side
    31,504,295.70x = 875,999,087,883,162.25
  5. Step 5: Solve for x
    x = 875,999,087,883,162.25/31,504,295.70
  6. Step 6: Final answer
    x = 27,805,702.95

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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.