Finding the Fourth Proportional to 8,649,122.79, 11,935,276.49 and 4,781,413.29
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Solution
The fourth proportional to 8,649,122.79, 11,935,276.49 and 4,781,413.29 is: 6,598,066.77
Step by Step Solution
- Step 1: Write the proportion equation
8,649,122.79 : 11,935,276.49 = 4,781,413.29 : x - Step 2: Convert to fraction form
8,649,122.79/11,935,276.49 = 4,781,413.29/x - Step 3: Cross multiply
8,649,122.79x = 11,935,276.49 × 4,781,413.29 - Step 4: Simplify right side
8,649,122.79x = 57,067,489,685,821.38 - Step 5: Solve for x
x = 57,067,489,685,821.38/8,649,122.79 - Step 6: Final answer
x = 6,598,066.77
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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.