Home / 20,219,179-30,328,772.66-6,756,008.44

Finding the Fourth Proportional to 20,219,179, 30,328,772.66 and 6,756,008.44

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Solution

The fourth proportional to 20,219,179, 30,328,772.66 and 6,756,008.44 is: 10,134,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,179 : 30,328,772.66 = 6,756,008.44 : x
  2. Step 2: Convert to fraction form
    20,219,179/30,328,772.66 = 6,756,008.44/x
  3. Step 3: Cross multiply
    20,219,179x = 30,328,772.66 × 6,756,008.44
  4. Step 4: Simplify right side
    20,219,179x = 204,901,444,065,801.25
  5. Step 5: Solve for x
    x = 204,901,444,065,801.25/20,219,179
  6. Step 6: Final answer
    x = 10,134,014.05

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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.