Home / 21,873,163.35-30,185,828.82-12,580,718.58

Finding the Fourth Proportional to 21,873,163.35, 30,185,828.82 and 12,580,718.58

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Solution

The fourth proportional to 21,873,163.35, 30,185,828.82 and 12,580,718.58 is: 17,361,888.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,163.35 : 30,185,828.82 = 12,580,718.58 : x
  2. Step 2: Convert to fraction form
    21,873,163.35/30,185,828.82 = 12,580,718.58/x
  3. Step 3: Cross multiply
    21,873,163.35x = 30,185,828.82 × 12,580,718.58
  4. Step 4: Simplify right side
    21,873,163.35x = 379,759,417,488,473.50
  5. Step 5: Solve for x
    x = 379,759,417,488,473.50/21,873,163.35
  6. Step 6: Final answer
    x = 17,361,888.23

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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.