Finding the Fourth Proportional to 8,929,342.44, 12,322,135.53 and 5,258,413.80
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Solution
The fourth proportional to 8,929,342.44, 12,322,135.53 and 5,258,413.80 is: 7,256,400.79
Step by Step Solution
- Step 1: Write the proportion equation
8,929,342.44 : 12,322,135.53 = 5,258,413.80 : x - Step 2: Convert to fraction form
8,929,342.44/12,322,135.53 = 5,258,413.80/x - Step 3: Cross multiply
8,929,342.44x = 12,322,135.53 × 5,258,413.80 - Step 4: Simplify right side
8,929,342.44x = 64,794,887,516,422.30 - Step 5: Solve for x
x = 64,794,887,516,422.30/8,929,342.44 - Step 6: Final answer
x = 7,256,400.79
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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.