Home / 12,880,333.88-19,322,413.76-4,242,838.88

Finding the Fourth Proportional to 12,880,333.88, 19,322,413.76 and 4,242,838.88

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Solution

The fourth proportional to 12,880,333.88, 19,322,413.76 and 4,242,838.88 is: 6,364,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,333.88 : 19,322,413.76 = 4,242,838.88 : x
  2. Step 2: Convert to fraction form
    12,880,333.88/19,322,413.76 = 4,242,838.88/x
  3. Step 3: Cross multiply
    12,880,333.88x = 19,322,413.76 × 4,242,838.88
  4. Step 4: Simplify right side
    12,880,333.88x = 81,981,888,383,466.83
  5. Step 5: Solve for x
    x = 81,981,888,383,466.83/12,880,333.88
  6. Step 6: Final answer
    x = 6,364,888.46

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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.