Home / 39,600,644.54-54,647,914.02-21,959,449.61

Finding the Fourth Proportional to 39,600,644.54, 54,647,914.02 and 21,959,449.61

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Solution

The fourth proportional to 39,600,644.54, 54,647,914.02 and 21,959,449.61 is: 30,303,499.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,600,644.54 : 54,647,914.02 = 21,959,449.61 : x
  2. Step 2: Convert to fraction form
    39,600,644.54/54,647,914.02 = 21,959,449.61/x
  3. Step 3: Cross multiply
    39,600,644.54x = 54,647,914.02 × 21,959,449.61
  4. Step 4: Simplify right side
    39,600,644.54x = 1,200,038,114,213,802.50
  5. Step 5: Solve for x
    x = 1,200,038,114,213,802.50/39,600,644.54
  6. Step 6: Final answer
    x = 30,303,499.56

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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.