Home / 12,136,131.40-18,191,949.90-6,061,520.20

Finding the Fourth Proportional to 12,136,131.40, 18,191,949.90 and 6,061,520.20

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Solution

The fourth proportional to 12,136,131.40, 18,191,949.90 and 6,061,520.20 is: 9,086,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,131.40 : 18,191,949.90 = 6,061,520.20 : x
  2. Step 2: Convert to fraction form
    12,136,131.40/18,191,949.90 = 6,061,520.20/x
  3. Step 3: Cross multiply
    12,136,131.40x = 18,191,949.90 × 6,061,520.20
  4. Step 4: Simplify right side
    12,136,131.40x = 110,270,871,796,237.97
  5. Step 5: Solve for x
    x = 110,270,871,796,237.97/12,136,131.40
  6. Step 6: Final answer
    x = 9,086,163.31

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1.5x scale

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.