Home / 12,855,407.48-17,740,413.60-7,054,286.28

Finding the Fourth Proportional to 12,855,407.48, 17,740,413.60 and 7,054,286.28

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Solution

The fourth proportional to 12,855,407.48, 17,740,413.60 and 7,054,286.28 is: 9,734,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,855,407.48 : 17,740,413.60 = 7,054,286.28 : x
  2. Step 2: Convert to fraction form
    12,855,407.48/17,740,413.60 = 7,054,286.28/x
  3. Step 3: Cross multiply
    12,855,407.48x = 17,740,413.60 × 7,054,286.28
  4. Step 4: Simplify right side
    12,855,407.48x = 125,145,956,260,005.42
  5. Step 5: Solve for x
    x = 125,145,956,260,005.42/12,855,407.48
  6. Step 6: Final answer
    x = 9,734,888.33

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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.