Home / 13,694,311.32-20,541,700.26-5,178,658.20

Finding the Fourth Proportional to 13,694,311.32, 20,541,700.26 and 5,178,658.20

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Solution

The fourth proportional to 13,694,311.32, 20,541,700.26 and 5,178,658.20 is: 7,768,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,311.32 : 20,541,700.26 = 5,178,658.20 : x
  2. Step 2: Convert to fraction form
    13,694,311.32/20,541,700.26 = 5,178,658.20/x
  3. Step 3: Cross multiply
    13,694,311.32x = 20,541,700.26 × 5,178,658.20
  4. Step 4: Simplify right side
    13,694,311.32x = 106,378,444,493,391.14
  5. Step 5: Solve for x
    x = 106,378,444,493,391.14/13,694,311.32
  6. Step 6: Final answer
    x = 7,768,075.52

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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.