Finding the Fourth Proportional to 14,479,413.07, 19,982,977.68 and 8,283,229.51
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Solution
The fourth proportional to 14,479,413.07, 19,982,977.68 and 8,283,229.51 is: 11,431,650.55
Step by Step Solution
- Step 1: Write the proportion equation
14,479,413.07 : 19,982,977.68 = 8,283,229.51 : x - Step 2: Convert to fraction form
14,479,413.07/19,982,977.68 = 8,283,229.51/x - Step 3: Cross multiply
14,479,413.07x = 19,982,977.68 × 8,283,229.51 - Step 4: Simplify right side
14,479,413.07x = 165,523,590,416,647.34 - Step 5: Solve for x
x = 165,523,590,416,647.34/14,479,413.07 - Step 6: Final answer
x = 11,431,650.55
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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.