Home / 7,025,999.70-10,538,999.55-5,431,676.70

Finding the Fourth Proportional to 7,025,999.70, 10,538,999.55 and 5,431,676.70

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Solution

The fourth proportional to 7,025,999.70, 10,538,999.55 and 5,431,676.70 is: 8,147,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025,999.70 : 10,538,999.55 = 5,431,676.70 : x
  2. Step 2: Convert to fraction form
    7,025,999.70/10,538,999.55 = 5,431,676.70/x
  3. Step 3: Cross multiply
    7,025,999.70x = 10,538,999.55 × 5,431,676.70
  4. Step 4: Simplify right side
    7,025,999.70x = 57,244,438,297,045.49
  5. Step 5: Solve for x
    x = 57,244,438,297,045.49/7,025,999.70
  6. Step 6: Final answer
    x = 8,147,515.05

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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.