Home / 20,743,675.41-28,625,521.80-11,451,045.95

Finding the Fourth Proportional to 20,743,675.41, 28,625,521.80 and 11,451,045.95

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Solution

The fourth proportional to 20,743,675.41, 28,625,521.80 and 11,451,045.95 is: 15,802,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,675.41 : 28,625,521.80 = 11,451,045.95 : x
  2. Step 2: Convert to fraction form
    20,743,675.41/28,625,521.80 = 11,451,045.95/x
  3. Step 3: Cross multiply
    20,743,675.41x = 28,625,521.80 × 11,451,045.95
  4. Step 4: Simplify right side
    20,743,675.41x = 327,792,165,642,704.81
  5. Step 5: Solve for x
    x = 327,792,165,642,704.81/20,743,675.41
  6. Step 6: Final answer
    x = 15,802,029.25

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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.