Finding the Fourth Proportional to 10,516,413.68, 14,512,660.56 and 5,687,517.68
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Solution
The fourth proportional to 10,516,413.68, 14,512,660.56 and 5,687,517.68 is: 7,848,779.63
Step by Step Solution
- Step 1: Write the proportion equation
10,516,413.68 : 14,512,660.56 = 5,687,517.68 : x - Step 2: Convert to fraction form
10,516,413.68/14,512,660.56 = 5,687,517.68/x - Step 3: Cross multiply
10,516,413.68x = 14,512,660.56 × 5,687,517.68 - Step 4: Simplify right side
10,516,413.68x = 82,541,013,518,838.70 - Step 5: Solve for x
x = 82,541,013,518,838.70/10,516,413.68 - Step 6: Final answer
x = 7,848,779.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.