Home / 11,248,986-16,879,621.68-4,771,053.72

Finding the Fourth Proportional to 11,248,986, 16,879,621.68 and 4,771,053.72

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Solution

The fourth proportional to 11,248,986, 16,879,621.68 and 4,771,053.72 is: 7,159,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248,986 : 16,879,621.68 = 4,771,053.72 : x
  2. Step 2: Convert to fraction form
    11,248,986/16,879,621.68 = 4,771,053.72/x
  3. Step 3: Cross multiply
    11,248,986x = 16,879,621.68 × 4,771,053.72
  4. Step 4: Simplify right side
    11,248,986x = 80,533,581,808,556.64
  5. Step 5: Solve for x
    x = 80,533,581,808,556.64/11,248,986
  6. Step 6: Final answer
    x = 7,159,185.89

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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.