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Finding the Fourth Proportional to 27,671,653.80, 41,507,480.70 and 10,632,736.80

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Solution

The fourth proportional to 27,671,653.80, 41,507,480.70 and 10,632,736.80 is: 15,949,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671,653.80 : 41,507,480.70 = 10,632,736.80 : x
  2. Step 2: Convert to fraction form
    27,671,653.80/41,507,480.70 = 10,632,736.80/x
  3. Step 3: Cross multiply
    27,671,653.80x = 41,507,480.70 × 10,632,736.80
  4. Step 4: Simplify right side
    27,671,653.80x = 441,338,117,514,179.81
  5. Step 5: Solve for x
    x = 441,338,117,514,179.81/27,671,653.80
  6. Step 6: Final answer
    x = 15,949,105.20

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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.