Home / 12,821,388.48-17,691,895.06-10,214,504.33

Finding the Fourth Proportional to 12,821,388.48, 17,691,895.06 and 10,214,504.33

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Solution

The fourth proportional to 12,821,388.48, 17,691,895.06 and 10,214,504.33 is: 14,094,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,388.48 : 17,691,895.06 = 10,214,504.33 : x
  2. Step 2: Convert to fraction form
    12,821,388.48/17,691,895.06 = 10,214,504.33/x
  3. Step 3: Cross multiply
    12,821,388.48x = 17,691,895.06 × 10,214,504.33
  4. Step 4: Simplify right side
    12,821,388.48x = 180,713,938,582,279.88
  5. Step 5: Solve for x
    x = 180,713,938,582,279.88/12,821,388.48
  6. Step 6: Final answer
    x = 14,094,724.52

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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.