Home / 14,379,271.70-21,568,907.55-6,820,999.70

Finding the Fourth Proportional to 14,379,271.70, 21,568,907.55 and 6,820,999.70

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Solution

The fourth proportional to 14,379,271.70, 21,568,907.55 and 6,820,999.70 is: 10,231,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379,271.70 : 21,568,907.55 = 6,820,999.70 : x
  2. Step 2: Convert to fraction form
    14,379,271.70/21,568,907.55 = 6,820,999.70/x
  3. Step 3: Cross multiply
    14,379,271.70x = 21,568,907.55 × 6,820,999.70
  4. Step 4: Simplify right side
    14,379,271.70x = 147,121,511,927,877.75
  5. Step 5: Solve for x
    x = 147,121,511,927,877.75/14,379,271.70
  6. Step 6: Final answer
    x = 10,231,499.55

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Similar ratio
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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.