Home / 26,230,437.20-39,345,655.80-8,279,541.20

Finding the Fourth Proportional to 26,230,437.20, 39,345,655.80 and 8,279,541.20

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Solution

The fourth proportional to 26,230,437.20, 39,345,655.80 and 8,279,541.20 is: 12,419,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,230,437.20 : 39,345,655.80 = 8,279,541.20 : x
  2. Step 2: Convert to fraction form
    26,230,437.20/39,345,655.80 = 8,279,541.20/x
  3. Step 3: Cross multiply
    26,230,437.20x = 39,345,655.80 × 8,279,541.20
  4. Step 4: Simplify right side
    26,230,437.20x = 325,763,978,237,118.94
  5. Step 5: Solve for x
    x = 325,763,978,237,118.94/26,230,437.20
  6. Step 6: Final answer
    x = 12,419,311.80

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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.