Home / 20,629,586.22-28,468,834.92-11,462,228.94

Finding the Fourth Proportional to 20,629,586.22, 28,468,834.92 and 11,462,228.94

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Solution

The fourth proportional to 20,629,586.22, 28,468,834.92 and 11,462,228.94 is: 15,817,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,586.22 : 28,468,834.92 = 11,462,228.94 : x
  2. Step 2: Convert to fraction form
    20,629,586.22/28,468,834.92 = 11,462,228.94/x
  3. Step 3: Cross multiply
    20,629,586.22x = 28,468,834.92 × 11,462,228.94
  4. Step 4: Simplify right side
    20,629,586.22x = 326,316,303,508,106.56
  5. Step 5: Solve for x
    x = 326,316,303,508,106.56/20,629,586.22
  6. Step 6: Final answer
    x = 15,817,879.24

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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.