Finding the Fourth Proportional to 21,851,153.80, 32,781,104.70 and 6,498,413.80
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Solution
The fourth proportional to 21,851,153.80, 32,781,104.70 and 6,498,413.80 is: 9,748,921.50
Step by Step Solution
- Step 1: Write the proportion equation
21,851,153.80 : 32,781,104.70 = 6,498,413.80 : x - Step 2: Convert to fraction form
21,851,153.80/32,781,104.70 = 6,498,413.80/x - Step 3: Cross multiply
21,851,153.80x = 32,781,104.70 × 6,498,413.80 - Step 4: Simplify right side
21,851,153.80x = 213,025,183,161,724.84 - Step 5: Solve for x
x = 213,025,183,161,724.84/21,851,153.80 - Step 6: Final answer
x = 9,748,921.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.