Finding the Fourth Proportional to 8,686,517.04, 11,982,413.12 and 5,417,656.63
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Solution
The fourth proportional to 8,686,517.04, 11,982,413.12 and 5,417,656.63 is: 7,473,259.95
Step by Step Solution
- Step 1: Write the proportion equation
8,686,517.04 : 11,982,413.12 = 5,417,656.63 : x - Step 2: Convert to fraction form
8,686,517.04/11,982,413.12 = 5,417,656.63/x - Step 3: Cross multiply
8,686,517.04x = 11,982,413.12 × 5,417,656.63 - Step 4: Simplify right side
8,686,517.04x = 64,916,599,882,966.98 - Step 5: Solve for x
x = 64,916,599,882,966.98/8,686,517.04 - Step 6: Final answer
x = 7,473,259.95
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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.