Home / 29,781,900.69-41,086,274.43-18,598,979.31

Finding the Fourth Proportional to 29,781,900.69, 41,086,274.43 and 18,598,979.31

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Solution

The fourth proportional to 29,781,900.69, 41,086,274.43 and 18,598,979.31 is: 25,658,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,781,900.69 : 41,086,274.43 = 18,598,979.31 : x
  2. Step 2: Convert to fraction form
    29,781,900.69/41,086,274.43 = 18,598,979.31/x
  3. Step 3: Cross multiply
    29,781,900.69x = 41,086,274.43 × 18,598,979.31
  4. Step 4: Simplify right side
    29,781,900.69x = 764,162,768,048,552
  5. Step 5: Solve for x
    x = 764,162,768,048,552/29,781,900.69
  6. Step 6: Final answer
    x = 25,658,629.92

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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.