Home / 28,516,940.42-39,353,388.24-15,464,195.88

Finding the Fourth Proportional to 28,516,940.42, 39,353,388.24 and 15,464,195.88

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Solution

The fourth proportional to 28,516,940.42, 39,353,388.24 and 15,464,195.88 is: 21,340,595.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,940.42 : 39,353,388.24 = 15,464,195.88 : x
  2. Step 2: Convert to fraction form
    28,516,940.42/39,353,388.24 = 15,464,195.88/x
  3. Step 3: Cross multiply
    28,516,940.42x = 39,353,388.24 × 15,464,195.88
  4. Step 4: Simplify right side
    28,516,940.42x = 608,568,504,285,048.50
  5. Step 5: Solve for x
    x = 608,568,504,285,048.50/28,516,940.42
  6. Step 6: Final answer
    x = 21,340,595.99

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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.