Home / 27,959,996.52-41,920,496.49-12,389,356.48

Finding the Fourth Proportional to 27,959,996.52, 41,920,496.49 and 12,389,356.48

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Solution

The fourth proportional to 27,959,996.52, 41,920,496.49 and 12,389,356.48 is: 18,575,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959,996.52 : 41,920,496.49 = 12,389,356.48 : x
  2. Step 2: Convert to fraction form
    27,959,996.52/41,920,496.49 = 12,389,356.48/x
  3. Step 3: Cross multiply
    27,959,996.52x = 41,920,496.49 × 12,389,356.48
  4. Step 4: Simplify right side
    27,959,996.52x = 519,367,974,912,398.75
  5. Step 5: Solve for x
    x = 519,367,974,912,398.75/27,959,996.52
  6. Step 6: Final answer
    x = 18,575,394.84

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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.