Home / 8,789,543.70-13,184,315.55-5,388,321.30

Finding the Fourth Proportional to 8,789,543.70, 13,184,315.55 and 5,388,321.30

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Solution

The fourth proportional to 8,789,543.70, 13,184,315.55 and 5,388,321.30 is: 8,082,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,543.70 : 13,184,315.55 = 5,388,321.30 : x
  2. Step 2: Convert to fraction form
    8,789,543.70/13,184,315.55 = 5,388,321.30/x
  3. Step 3: Cross multiply
    8,789,543.70x = 13,184,315.55 × 5,388,321.30
  4. Step 4: Simplify right side
    8,789,543.70x = 71,041,328,303,986.22
  5. Step 5: Solve for x
    x = 71,041,328,303,986.22/8,789,543.70
  6. Step 6: Final answer
    x = 8,082,481.95

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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.