Home / 15,451,163.27-21,323,683.04-10,215,074.19

Finding the Fourth Proportional to 15,451,163.27, 21,323,683.04 and 10,215,074.19

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Solution

The fourth proportional to 15,451,163.27, 21,323,683.04 and 10,215,074.19 is: 14,097,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451,163.27 : 21,323,683.04 = 10,215,074.19 : x
  2. Step 2: Convert to fraction form
    15,451,163.27/21,323,683.04 = 10,215,074.19/x
  3. Step 3: Cross multiply
    15,451,163.27x = 21,323,683.04 × 10,215,074.19
  4. Step 4: Simplify right side
    15,451,163.27x = 217,823,004,257,644.72
  5. Step 5: Solve for x
    x = 217,823,004,257,644.72/15,451,163.27
  6. Step 6: Final answer
    x = 14,097,514.89

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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.