Home / 30,383,782.80-45,568,520.28-8,812,692.24

Finding the Fourth Proportional to 30,383,782.80, 45,568,520.28 and 8,812,692.24

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Solution

The fourth proportional to 30,383,782.80, 45,568,520.28 and 8,812,692.24 is: 13,216,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383,782.80 : 45,568,520.28 = 8,812,692.24 : x
  2. Step 2: Convert to fraction form
    30,383,782.80/45,568,520.28 = 8,812,692.24/x
  3. Step 3: Cross multiply
    30,383,782.80x = 45,568,520.28 × 8,812,692.24
  4. Step 4: Simplify right side
    30,383,782.80x = 401,581,345,059,838.62
  5. Step 5: Solve for x
    x = 401,581,345,059,838.62/30,383,782.80
  6. Step 6: Final answer
    x = 13,216,963.39

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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.