Home / 28,706,893.44-39,616,469.60-15,654,866.50

Finding the Fourth Proportional to 28,706,893.44, 39,616,469.60 and 15,654,866.50

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Solution

The fourth proportional to 28,706,893.44, 39,616,469.60 and 15,654,866.50 is: 21,604,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706,893.44 : 39,616,469.60 = 15,654,866.50 : x
  2. Step 2: Convert to fraction form
    28,706,893.44/39,616,469.60 = 15,654,866.50/x
  3. Step 3: Cross multiply
    28,706,893.44x = 39,616,469.60 × 15,654,866.50
  4. Step 4: Simplify right side
    28,706,893.44x = 620,190,542,789,308.38
  5. Step 5: Solve for x
    x = 620,190,542,789,308.38/28,706,893.44
  6. Step 6: Final answer
    x = 21,604,237.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.