Finding the Fourth Proportional to 7,874,413.98, 10,866,689.02 and 4,252,741.98
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Solution
The fourth proportional to 7,874,413.98, 10,866,689.02 and 4,252,741.98 is: 5,868,782.71
Step by Step Solution
- Step 1: Write the proportion equation
7,874,413.98 : 10,866,689.02 = 4,252,741.98 : x - Step 2: Convert to fraction form
7,874,413.98/10,866,689.02 = 4,252,741.98/x - Step 3: Cross multiply
7,874,413.98x = 10,866,689.02 × 4,252,741.98 - Step 4: Simplify right side
7,874,413.98x = 46,213,224,578,959.06 - Step 5: Solve for x
x = 46,213,224,578,959.06/7,874,413.98 - Step 6: Final answer
x = 5,868,782.71
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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.