Home / 12,379,516.58-17,082,879.54-6,872,464.01

Finding the Fourth Proportional to 12,379,516.58, 17,082,879.54 and 6,872,464.01

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Solution

The fourth proportional to 12,379,516.58, 17,082,879.54 and 6,872,464.01 is: 9,483,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,516.58 : 17,082,879.54 = 6,872,464.01 : x
  2. Step 2: Convert to fraction form
    12,379,516.58/17,082,879.54 = 6,872,464.01/x
  3. Step 3: Cross multiply
    12,379,516.58x = 17,082,879.54 × 6,872,464.01
  4. Step 4: Simplify right side
    12,379,516.58x = 117,401,474,740,400.95
  5. Step 5: Solve for x
    x = 117,401,474,740,400.95/12,379,516.58
  6. Step 6: Final answer
    x = 9,483,526.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.