Finding the Fourth Proportional to 10,643,899.70, 14,684,413.65 and 6,562,432.82
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Solution
The fourth proportional to 10,643,899.70, 14,684,413.65 and 6,562,432.82 is: 9,053,587.58
Step by Step Solution
- Step 1: Write the proportion equation
10,643,899.70 : 14,684,413.65 = 6,562,432.82 : x - Step 2: Convert to fraction form
10,643,899.70/14,684,413.65 = 6,562,432.82/x - Step 3: Cross multiply
10,643,899.70x = 14,684,413.65 × 6,562,432.82 - Step 4: Simplify right side
10,643,899.70x = 96,365,478,079,216 - Step 5: Solve for x
x = 96,365,478,079,216/10,643,899.70 - Step 6: Final answer
x = 9,053,587.58
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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.