Home / 13,195,214.11-19,786,609.81-5,111,974.63

Finding the Fourth Proportional to 13,195,214.11, 19,786,609.81 and 5,111,974.63

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Solution

The fourth proportional to 13,195,214.11, 19,786,609.81 and 5,111,974.63 is: 7,665,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,214.11 : 19,786,609.81 = 5,111,974.63 : x
  2. Step 2: Convert to fraction form
    13,195,214.11/19,786,609.81 = 5,111,974.63/x
  3. Step 3: Cross multiply
    13,195,214.11x = 19,786,609.81 × 5,111,974.63
  4. Step 4: Simplify right side
    13,195,214.11x = 101,148,647,362,429.11
  5. Step 5: Solve for x
    x = 101,148,647,362,429.11/13,195,214.11
  6. Step 6: Final answer
    x = 7,665,555.60

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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.