Home / 14,379,272.70-21,568,909.05-6,821,000.70

Finding the Fourth Proportional to 14,379,272.70, 21,568,909.05 and 6,821,000.70

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Solution

The fourth proportional to 14,379,272.70, 21,568,909.05 and 6,821,000.70 is: 10,231,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379,272.70 : 21,568,909.05 = 6,821,000.70 : x
  2. Step 2: Convert to fraction form
    14,379,272.70/21,568,909.05 = 6,821,000.70/x
  3. Step 3: Cross multiply
    14,379,272.70x = 21,568,909.05 × 6,821,000.70
  4. Step 4: Simplify right side
    14,379,272.70x = 147,121,543,728,286.34
  5. Step 5: Solve for x
    x = 147,121,543,728,286.34/14,379,272.70
  6. Step 6: Final answer
    x = 10,231,501.05

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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.