Home / 20,413,058.40-30,633,584.40-9,061,653.60

Finding the Fourth Proportional to 20,413,058.40, 30,633,584.40 and 9,061,653.60

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Solution

The fourth proportional to 20,413,058.40, 30,633,584.40 and 9,061,653.60 is: 13,598,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413,058.40 : 30,633,584.40 = 9,061,653.60 : x
  2. Step 2: Convert to fraction form
    20,413,058.40/30,633,584.40 = 9,061,653.60/x
  3. Step 3: Cross multiply
    20,413,058.40x = 30,633,584.40 × 9,061,653.60
  4. Step 4: Simplify right side
    20,413,058.40x = 277,590,930,359,163.81
  5. Step 5: Solve for x
    x = 277,590,930,359,163.81/20,413,058.40
  6. Step 6: Final answer
    x = 13,598,693.78

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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.