Home / 13,477,450.33-20,208,772.09-6,638,976.73

Finding the Fourth Proportional to 13,477,450.33, 20,208,772.09 and 6,638,976.73

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Solution

The fourth proportional to 13,477,450.33, 20,208,772.09 and 6,638,976.73 is: 9,954,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477,450.33 : 20,208,772.09 = 6,638,976.73 : x
  2. Step 2: Convert to fraction form
    13,477,450.33/20,208,772.09 = 6,638,976.73/x
  3. Step 3: Cross multiply
    13,477,450.33x = 20,208,772.09 × 6,638,976.73
  4. Step 4: Simplify right side
    13,477,450.33x = 134,165,567,513,144.72
  5. Step 5: Solve for x
    x = 134,165,567,513,144.72/13,477,450.33
  6. Step 6: Final answer
    x = 9,954,818.18

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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.