Finding the Fourth Proportional to 7,566,719.97, 10,437,413.09 and 5,391,965.80
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Solution
The fourth proportional to 7,566,719.97, 10,437,413.09 and 5,391,965.80 is: 7,437,591.80
Step by Step Solution
- Step 1: Write the proportion equation
7,566,719.97 : 10,437,413.09 = 5,391,965.80 : x - Step 2: Convert to fraction form
7,566,719.97/10,437,413.09 = 5,391,965.80/x - Step 3: Cross multiply
7,566,719.97x = 10,437,413.09 × 5,391,965.80 - Step 4: Simplify right side
7,566,719.97x = 56,278,174,421,752.32 - Step 5: Solve for x
x = 56,278,174,421,752.32/7,566,719.97 - Step 6: Final answer
x = 7,437,591.80
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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.