Home / 13,296,475.20-19,945,368.90-6,919,183.20

Finding the Fourth Proportional to 13,296,475.20, 19,945,368.90 and 6,919,183.20

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Solution

The fourth proportional to 13,296,475.20, 19,945,368.90 and 6,919,183.20 is: 10,379,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,475.20 : 19,945,368.90 = 6,919,183.20 : x
  2. Step 2: Convert to fraction form
    13,296,475.20/19,945,368.90 = 6,919,183.20/x
  3. Step 3: Cross multiply
    13,296,475.20x = 19,945,368.90 × 6,919,183.20
  4. Step 4: Simplify right side
    13,296,475.20x = 138,005,661,410,682.47
  5. Step 5: Solve for x
    x = 138,005,661,410,682.47/13,296,475.20
  6. Step 6: Final answer
    x = 10,379,116.22

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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.