Home / 39,320,483.85-54,262,326.87-21,916,455.30

Finding the Fourth Proportional to 39,320,483.85, 54,262,326.87 and 21,916,455.30

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Solution

The fourth proportional to 39,320,483.85, 54,262,326.87 and 21,916,455.30 is: 30,244,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,320,483.85 : 54,262,326.87 = 21,916,455.30 : x
  2. Step 2: Convert to fraction form
    39,320,483.85/54,262,326.87 = 21,916,455.30/x
  3. Step 3: Cross multiply
    39,320,483.85x = 54,262,326.87 × 21,916,455.30
  4. Step 4: Simplify right side
    39,320,483.85x = 1,189,237,861,320,344
  5. Step 5: Solve for x
    x = 1,189,237,861,320,344/39,320,483.85
  6. Step 6: Final answer
    x = 30,244,741.29

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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.