Home / 14,179,218.12-19,567,221.24-7,740,690.12

Finding the Fourth Proportional to 14,179,218.12, 19,567,221.24 and 7,740,690.12

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Solution

The fourth proportional to 14,179,218.12, 19,567,221.24 and 7,740,690.12 is: 10,682,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179,218.12 : 19,567,221.24 = 7,740,690.12 : x
  2. Step 2: Convert to fraction form
    14,179,218.12/19,567,221.24 = 7,740,690.12/x
  3. Step 3: Cross multiply
    14,179,218.12x = 19,567,221.24 × 7,740,690.12
  4. Step 4: Simplify right side
    14,179,218.12x = 151,463,796,128,322.12
  5. Step 5: Solve for x
    x = 151,463,796,128,322.12/14,179,218.12
  6. Step 6: Final answer
    x = 10,682,097.90

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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.