Home / 20,334,982.97-30,507,636.08-9,413,045.44

Finding the Fourth Proportional to 20,334,982.97, 30,507,636.08 and 9,413,045.44

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Solution

The fourth proportional to 20,334,982.97, 30,507,636.08 and 9,413,045.44 is: 14,121,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,982.97 : 30,507,636.08 = 9,413,045.44 : x
  2. Step 2: Convert to fraction form
    20,334,982.97/30,507,636.08 = 9,413,045.44/x
  3. Step 3: Cross multiply
    20,334,982.97x = 30,507,636.08 × 9,413,045.44
  4. Step 4: Simplify right side
    20,334,982.97x = 287,169,764,635,287
  5. Step 5: Solve for x
    x = 287,169,764,635,287/20,334,982.97
  6. Step 6: Final answer
    x = 14,121,957.47

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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.