Home / 13,741,407.80-20,612,111.70-7,694,790.20

Finding the Fourth Proportional to 13,741,407.80, 20,612,111.70 and 7,694,790.20

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Solution

The fourth proportional to 13,741,407.80, 20,612,111.70 and 7,694,790.20 is: 11,542,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741,407.80 : 20,612,111.70 = 7,694,790.20 : x
  2. Step 2: Convert to fraction form
    13,741,407.80/20,612,111.70 = 7,694,790.20/x
  3. Step 3: Cross multiply
    13,741,407.80x = 20,612,111.70 × 7,694,790.20
  4. Step 4: Simplify right side
    13,741,407.80x = 158,605,875,110,465.34
  5. Step 5: Solve for x
    x = 158,605,875,110,465.34/13,741,407.80
  6. Step 6: Final answer
    x = 11,542,185.30

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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.