Home / 14,990,519.64-20,686,893.30-8,114,999.88

Finding the Fourth Proportional to 14,990,519.64, 20,686,893.30 and 8,114,999.88

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Solution

The fourth proportional to 14,990,519.64, 20,686,893.30 and 8,114,999.88 is: 11,198,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,519.64 : 20,686,893.30 = 8,114,999.88 : x
  2. Step 2: Convert to fraction form
    14,990,519.64/20,686,893.30 = 8,114,999.88/x
  3. Step 3: Cross multiply
    14,990,519.64x = 20,686,893.30 × 8,114,999.88
  4. Step 4: Simplify right side
    14,990,519.64x = 167,874,136,647,072.81
  5. Step 5: Solve for x
    x = 167,874,136,647,072.81/14,990,519.64
  6. Step 6: Final answer
    x = 11,198,686.95

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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.