Home / 20,462,940.08-28,239,525.68-11,171,005.59

Finding the Fourth Proportional to 20,462,940.08, 28,239,525.68 and 11,171,005.59

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Solution

The fourth proportional to 20,462,940.08, 28,239,525.68 and 11,171,005.59 is: 15,416,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462,940.08 : 28,239,525.68 = 11,171,005.59 : x
  2. Step 2: Convert to fraction form
    20,462,940.08/28,239,525.68 = 11,171,005.59/x
  3. Step 3: Cross multiply
    20,462,940.08x = 28,239,525.68 × 11,171,005.59
  4. Step 4: Simplify right side
    20,462,940.08x = 315,463,899,174,373.50
  5. Step 5: Solve for x
    x = 315,463,899,174,373.50/20,462,940.08
  6. Step 6: Final answer
    x = 15,416,352.59

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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.