Home / 20,455,737.25-30,682,858.51-6,078,431.36

Finding the Fourth Proportional to 20,455,737.25, 30,682,858.51 and 6,078,431.36

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Solution

The fourth proportional to 20,455,737.25, 30,682,858.51 and 6,078,431.36 is: 9,117,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,737.25 : 30,682,858.51 = 6,078,431.36 : x
  2. Step 2: Convert to fraction form
    20,455,737.25/30,682,858.51 = 6,078,431.36/x
  3. Step 3: Cross multiply
    20,455,737.25x = 30,682,858.51 × 6,078,431.36
  4. Step 4: Simplify right side
    20,455,737.25x = 186,503,649,235,810.62
  5. Step 5: Solve for x
    x = 186,503,649,235,810.62/20,455,737.25
  6. Step 6: Final answer
    x = 9,117,424.95

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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.