Home / 20,580,665.98-30,843,568.40-10,862,994.56

Finding the Fourth Proportional to 20,580,665.98, 30,843,568.40 and 10,862,994.56

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Solution

The fourth proportional to 20,580,665.98, 30,843,568.40 and 10,862,994.56 is: 16,280,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580,665.98 : 30,843,568.40 = 10,862,994.56 : x
  2. Step 2: Convert to fraction form
    20,580,665.98/30,843,568.40 = 10,862,994.56/x
  3. Step 3: Cross multiply
    20,580,665.98x = 30,843,568.40 × 10,862,994.56
  4. Step 4: Simplify right side
    20,580,665.98x = 335,053,515,740,187.88
  5. Step 5: Solve for x
    x = 335,053,515,740,187.88/20,580,665.98
  6. Step 6: Final answer
    x = 16,280,013.29

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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.