Home / 14,590,674.18-20,136,172.32-8,064,163.44

Finding the Fourth Proportional to 14,590,674.18, 20,136,172.32 and 8,064,163.44

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Solution

The fourth proportional to 14,590,674.18, 20,136,172.32 and 8,064,163.44 is: 11,129,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590,674.18 : 20,136,172.32 = 8,064,163.44 : x
  2. Step 2: Convert to fraction form
    14,590,674.18/20,136,172.32 = 8,064,163.44/x
  3. Step 3: Cross multiply
    14,590,674.18x = 20,136,172.32 × 8,064,163.44
  4. Step 4: Simplify right side
    14,590,674.18x = 162,381,384,644,484
  5. Step 5: Solve for x
    x = 162,381,384,644,484/14,590,674.18
  6. Step 6: Final answer
    x = 11,129,121.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.