Finding the Fourth Proportional to 10,332,413.58, 14,258,726.62 and 5,686,198.64
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Solution
The fourth proportional to 10,332,413.58, 14,258,726.62 and 5,686,198.64 is: 7,846,951.86
Step by Step Solution
- Step 1: Write the proportion equation
10,332,413.58 : 14,258,726.62 = 5,686,198.64 : x - Step 2: Convert to fraction form
10,332,413.58/14,258,726.62 = 5,686,198.64/x - Step 3: Cross multiply
10,332,413.58x = 14,258,726.62 × 5,686,198.64 - Step 4: Simplify right side
10,332,413.58x = 81,077,951,914,775.78 - Step 5: Solve for x
x = 81,077,951,914,775.78/10,332,413.58 - Step 6: Final answer
x = 7,846,951.86
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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.