Home / 36,981,021-55,479,097.16-12,716,796.68

Finding the Fourth Proportional to 36,981,021, 55,479,097.16 and 12,716,796.68

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Solution

The fourth proportional to 36,981,021, 55,479,097.16 and 12,716,796.68 is: 19,077,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981,021 : 55,479,097.16 = 12,716,796.68 : x
  2. Step 2: Convert to fraction form
    36,981,021/55,479,097.16 = 12,716,796.68/x
  3. Step 3: Cross multiply
    36,981,021x = 55,479,097.16 × 12,716,796.68
  4. Step 4: Simplify right side
    36,981,021x = 705,516,398,232,706
  5. Step 5: Solve for x
    x = 705,516,398,232,706/36,981,021
  6. Step 6: Final answer
    x = 19,077,796.64

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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.