Home / 12,882,413.36-17,777,625.64-7,081,133.42

Finding the Fourth Proportional to 12,882,413.36, 17,777,625.64 and 7,081,133.42

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Solution

The fourth proportional to 12,882,413.36, 17,777,625.64 and 7,081,133.42 is: 9,771,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,413.36 : 17,777,625.64 = 7,081,133.42 : x
  2. Step 2: Convert to fraction form
    12,882,413.36/17,777,625.64 = 7,081,133.42/x
  3. Step 3: Cross multiply
    12,882,413.36x = 17,777,625.64 × 7,081,133.42
  4. Step 4: Simplify right side
    12,882,413.36x = 125,885,738,941,061.92
  5. Step 5: Solve for x
    x = 125,885,738,941,061.92/12,882,413.36
  6. Step 6: Final answer
    x = 9,771,906.51

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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.