Finding the Fourth Proportional to 14,193,941.63, 19,587,639.44 and 7,755,413.63
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Solution
The fourth proportional to 14,193,941.63, 19,587,639.44 and 7,755,413.63 is: 10,702,470.80
Step by Step Solution
- Step 1: Write the proportion equation
14,193,941.63 : 19,587,639.44 = 7,755,413.63 : x - Step 2: Convert to fraction form
14,193,941.63/19,587,639.44 = 7,755,413.63/x - Step 3: Cross multiply
14,193,941.63x = 19,587,639.44 × 7,755,413.63 - Step 4: Simplify right side
14,193,941.63x = 151,910,245,813,951.91 - Step 5: Solve for x
x = 151,910,245,813,951.91/14,193,941.63 - Step 6: Final answer
x = 10,702,470.80
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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.