Home / 18,989,142.22-26,204,871.41-10,287,252.58

Finding the Fourth Proportional to 18,989,142.22, 26,204,871.41 and 10,287,252.58

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Solution

The fourth proportional to 18,989,142.22, 26,204,871.41 and 10,287,252.58 is: 14,196,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989,142.22 : 26,204,871.41 = 10,287,252.58 : x
  2. Step 2: Convert to fraction form
    18,989,142.22/26,204,871.41 = 10,287,252.58/x
  3. Step 3: Cross multiply
    18,989,142.22x = 26,204,871.41 × 10,287,252.58
  4. Step 4: Simplify right side
    18,989,142.22x = 269,576,131,021,090.75
  5. Step 5: Solve for x
    x = 269,576,131,021,090.75/18,989,142.22
  6. Step 6: Final answer
    x = 14,196,330.09

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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.