Home / 21,170,131.20-29,225,046.96-14,198,258.88

Finding the Fourth Proportional to 21,170,131.20, 29,225,046.96 and 14,198,258.88

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Solution

The fourth proportional to 21,170,131.20, 29,225,046.96 and 14,198,258.88 is: 19,600,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,170,131.20 : 29,225,046.96 = 14,198,258.88 : x
  2. Step 2: Convert to fraction form
    21,170,131.20/29,225,046.96 = 14,198,258.88/x
  3. Step 3: Cross multiply
    21,170,131.20x = 29,225,046.96 × 14,198,258.88
  4. Step 4: Simplify right side
    21,170,131.20x = 414,944,782,518,237.06
  5. Step 5: Solve for x
    x = 414,944,782,518,237.06/21,170,131.20
  6. Step 6: Final answer
    x = 19,600,482.33

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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.