Home / 18,264,766.27-25,205,068.54-10,115,829.31

Finding the Fourth Proportional to 18,264,766.27, 25,205,068.54 and 10,115,829.31

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Solution

The fourth proportional to 18,264,766.27, 25,205,068.54 and 10,115,829.31 is: 13,959,673.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264,766.27 : 25,205,068.54 = 10,115,829.31 : x
  2. Step 2: Convert to fraction form
    18,264,766.27/25,205,068.54 = 10,115,829.31/x
  3. Step 3: Cross multiply
    18,264,766.27x = 25,205,068.54 × 10,115,829.31
  4. Step 4: Simplify right side
    18,264,766.27x = 254,970,171,046,911.78
  5. Step 5: Solve for x
    x = 254,970,171,046,911.78/18,264,766.27
  6. Step 6: Final answer
    x = 13,959,673.36

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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.