Home / 17,631,295.38-26,434,869.39-8,978,646.78

Finding the Fourth Proportional to 17,631,295.38, 26,434,869.39 and 8,978,646.78

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Solution

The fourth proportional to 17,631,295.38, 26,434,869.39 and 8,978,646.78 is: 13,461,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631,295.38 : 26,434,869.39 = 8,978,646.78 : x
  2. Step 2: Convert to fraction form
    17,631,295.38/26,434,869.39 = 8,978,646.78/x
  3. Step 3: Cross multiply
    17,631,295.38x = 26,434,869.39 × 8,978,646.78
  4. Step 4: Simplify right side
    17,631,295.38x = 237,349,354,928,244.06
  5. Step 5: Solve for x
    x = 237,349,354,928,244.06/17,631,295.38
  6. Step 6: Final answer
    x = 13,461,821.71

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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.