Finding the Fourth Proportional to 7,851,729.60, 10,843,647.66 and 6,995,830.95
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Solution
The fourth proportional to 7,851,729.60, 10,843,647.66 and 6,995,830.95 is: 9,661,607.03
Step by Step Solution
- Step 1: Write the proportion equation
7,851,729.60 : 10,843,647.66 = 6,995,830.95 : x - Step 2: Convert to fraction form
7,851,729.60/10,843,647.66 = 6,995,830.95/x - Step 3: Cross multiply
7,851,729.60x = 10,843,647.66 × 6,995,830.95 - Step 4: Simplify right side
7,851,729.60x = 75,860,325,910,723.08 - Step 5: Solve for x
x = 75,860,325,910,723.08/7,851,729.60 - Step 6: Final answer
x = 9,661,607.03
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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.