Home / 20,804,272.40-31,205,825.40-9,444,702.80

Finding the Fourth Proportional to 20,804,272.40, 31,205,825.40 and 9,444,702.80

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Solution

The fourth proportional to 20,804,272.40, 31,205,825.40 and 9,444,702.80 is: 14,166,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,272.40 : 31,205,825.40 = 9,444,702.80 : x
  2. Step 2: Convert to fraction form
    20,804,272.40/31,205,825.40 = 9,444,702.80/x
  3. Step 3: Cross multiply
    20,804,272.40x = 31,205,825.40 × 9,444,702.80
  4. Step 4: Simplify right side
    20,804,272.40x = 294,729,746,531,691.12
  5. Step 5: Solve for x
    x = 294,729,746,531,691.12/20,804,272.40
  6. Step 6: Final answer
    x = 14,166,789.44

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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.