Home / 12,769,849.10-19,161,499.68-7,382,283.26

Finding the Fourth Proportional to 12,769,849.10, 19,161,499.68 and 7,382,283.26

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Solution

The fourth proportional to 12,769,849.10, 19,161,499.68 and 7,382,283.26 is: 11,077,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,849.10 : 19,161,499.68 = 7,382,283.26 : x
  2. Step 2: Convert to fraction form
    12,769,849.10/19,161,499.68 = 7,382,283.26/x
  3. Step 3: Cross multiply
    12,769,849.10x = 19,161,499.68 × 7,382,283.26
  4. Step 4: Simplify right side
    12,769,849.10x = 141,455,618,228,351.84
  5. Step 5: Solve for x
    x = 141,455,618,228,351.84/12,769,849.10
  6. Step 6: Final answer
    x = 11,077,313.22

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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.