Home / 20,580,655.77-30,843,553.08-10,862,984.27

Finding the Fourth Proportional to 20,580,655.77, 30,843,553.08 and 10,862,984.27

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Solution

The fourth proportional to 20,580,655.77, 30,843,553.08 and 10,862,984.27 is: 16,279,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580,655.77 : 30,843,553.08 = 10,862,984.27 : x
  2. Step 2: Convert to fraction form
    20,580,655.77/30,843,553.08 = 10,862,984.27/x
  3. Step 3: Cross multiply
    20,580,655.77x = 30,843,553.08 × 10,862,984.27
  4. Step 4: Simplify right side
    20,580,655.77x = 335,053,031,784,732.31
  5. Step 5: Solve for x
    x = 335,053,031,784,732.31/20,580,655.77
  6. Step 6: Final answer
    x = 16,279,997.86

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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.