Home / 13,121,242.58-19,679,620.68-3,534,379.10

Finding the Fourth Proportional to 13,121,242.58, 19,679,620.68 and 3,534,379.10

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Solution

The fourth proportional to 13,121,242.58, 19,679,620.68 and 3,534,379.10 is: 5,300,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,242.58 : 19,679,620.68 = 3,534,379.10 : x
  2. Step 2: Convert to fraction form
    13,121,242.58/19,679,620.68 = 3,534,379.10/x
  3. Step 3: Cross multiply
    13,121,242.58x = 19,679,620.68 × 3,534,379.10
  4. Step 4: Simplify right side
    13,121,242.58x = 69,555,240,027,319.79
  5. Step 5: Solve for x
    x = 69,555,240,027,319.79/13,121,242.58
  6. Step 6: Final answer
    x = 5,300,964.42

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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.