Finding the Fourth Proportional to 11,251,413.68, 15,523,800.88 and 7,065,549.96
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Solution
The fourth proportional to 11,251,413.68, 15,523,800.88 and 7,065,549.96 is: 9,748,480.84
Step by Step Solution
- Step 1: Write the proportion equation
11,251,413.68 : 15,523,800.88 = 7,065,549.96 : x - Step 2: Convert to fraction form
11,251,413.68/15,523,800.88 = 7,065,549.96/x - Step 3: Cross multiply
11,251,413.68x = 15,523,800.88 × 7,065,549.96 - Step 4: Simplify right side
11,251,413.68x = 109,684,190,686,731.97 - Step 5: Solve for x
x = 109,684,190,686,731.97/11,251,413.68 - Step 6: Final answer
x = 9,748,480.84
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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.