Home / 14,990,516.64-20,686,889.16-8,114,996.88

Finding the Fourth Proportional to 14,990,516.64, 20,686,889.16 and 8,114,996.88

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Solution

The fourth proportional to 14,990,516.64, 20,686,889.16 and 8,114,996.88 is: 11,198,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,516.64 : 20,686,889.16 = 8,114,996.88 : x
  2. Step 2: Convert to fraction form
    14,990,516.64/20,686,889.16 = 8,114,996.88/x
  3. Step 3: Cross multiply
    14,990,516.64x = 20,686,889.16 × 8,114,996.88
  4. Step 4: Simplify right side
    14,990,516.64x = 167,874,040,990,305.81
  5. Step 5: Solve for x
    x = 167,874,040,990,305.81/14,990,516.64
  6. Step 6: Final answer
    x = 11,198,682.81

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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.