Home / 12,376,668.79-18,568,804.11-5,907,998.47

Finding the Fourth Proportional to 12,376,668.79, 18,568,804.11 and 5,907,998.47

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Solution

The fourth proportional to 12,376,668.79, 18,568,804.11 and 5,907,998.47 is: 8,863,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,668.79 : 18,568,804.11 = 5,907,998.47 : x
  2. Step 2: Convert to fraction form
    12,376,668.79/18,568,804.11 = 5,907,998.47/x
  3. Step 3: Cross multiply
    12,376,668.79x = 18,568,804.11 × 5,907,998.47
  4. Step 4: Simplify right side
    12,376,668.79x = 109,704,466,271,609.70
  5. Step 5: Solve for x
    x = 109,704,466,271,609.70/12,376,668.79
  6. Step 6: Final answer
    x = 8,863,812.08

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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.