Home / 28,548,086.76-39,396,399.60-15,495,348.42

Finding the Fourth Proportional to 28,548,086.76, 39,396,399.60 and 15,495,348.42

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Solution

The fourth proportional to 28,548,086.76, 39,396,399.60 and 15,495,348.42 is: 21,383,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,086.76 : 39,396,399.60 = 15,495,348.42 : x
  2. Step 2: Convert to fraction form
    28,548,086.76/39,396,399.60 = 15,495,348.42/x
  3. Step 3: Cross multiply
    28,548,086.76x = 39,396,399.60 × 15,495,348.42
  4. Step 4: Simplify right side
    28,548,086.76x = 610,460,938,295,548.62
  5. Step 5: Solve for x
    x = 610,460,938,295,548.62/28,548,086.76
  6. Step 6: Final answer
    x = 21,383,602.46

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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.