Home / 21,319,852.20-31,982,018.49-6,944,039.43

Finding the Fourth Proportional to 21,319,852.20, 31,982,018.49 and 6,944,039.43

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Solution

The fourth proportional to 21,319,852.20, 31,982,018.49 and 6,944,039.43 is: 10,416,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,852.20 : 31,982,018.49 = 6,944,039.43 : x
  2. Step 2: Convert to fraction form
    21,319,852.20/31,982,018.49 = 6,944,039.43/x
  3. Step 3: Cross multiply
    21,319,852.20x = 31,982,018.49 × 6,944,039.43
  4. Step 4: Simplify right side
    21,319,852.20x = 222,084,397,445,549.03
  5. Step 5: Solve for x
    x = 222,084,397,445,549.03/21,319,852.20
  6. Step 6: Final answer
    x = 10,416,788.79

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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.