Home / 28,691,798.72-43,040,282.54-9,261,485.31

Finding the Fourth Proportional to 28,691,798.72, 43,040,282.54 and 9,261,485.31

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Solution

The fourth proportional to 28,691,798.72, 43,040,282.54 and 9,261,485.31 is: 13,893,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691,798.72 : 43,040,282.54 = 9,261,485.31 : x
  2. Step 2: Convert to fraction form
    28,691,798.72/43,040,282.54 = 9,261,485.31/x
  3. Step 3: Cross multiply
    28,691,798.72x = 43,040,282.54 × 9,261,485.31
  4. Step 4: Simplify right side
    28,691,798.72x = 398,616,944,436,152.06
  5. Step 5: Solve for x
    x = 398,616,944,436,152.06/28,691,798.72
  6. Step 6: Final answer
    x = 13,893,062.21

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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.