Home / 20,219,178-30,328,771.16-6,756,007.44

Finding the Fourth Proportional to 20,219,178, 30,328,771.16 and 6,756,007.44

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Solution

The fourth proportional to 20,219,178, 30,328,771.16 and 6,756,007.44 is: 10,134,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,178 : 30,328,771.16 = 6,756,007.44 : x
  2. Step 2: Convert to fraction form
    20,219,178/30,328,771.16 = 6,756,007.44/x
  3. Step 3: Cross multiply
    20,219,178x = 30,328,771.16 × 6,756,007.44
  4. Step 4: Simplify right side
    20,219,178x = 204,901,403,603,017.44
  5. Step 5: Solve for x
    x = 204,901,403,603,017.44/20,219,178
  6. Step 6: Final answer
    x = 10,134,012.55

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1.5x scale

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.