Finding the Fourth Proportional to 11,766,965.31, 16,235,396.38 and 6,869,373.08
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Solution
The fourth proportional to 11,766,965.31, 16,235,396.38 and 6,869,373.08 is: 9,477,974.30
Step by Step Solution
- Step 1: Write the proportion equation
11,766,965.31 : 16,235,396.38 = 6,869,373.08 : x - Step 2: Convert to fraction form
11,766,965.31/16,235,396.38 = 6,869,373.08/x - Step 3: Cross multiply
11,766,965.31x = 16,235,396.38 × 6,869,373.08 - Step 4: Simplify right side
11,766,965.31x = 111,526,994,842,143.06 - Step 5: Solve for x
x = 111,526,994,842,143.06/11,766,965.31 - Step 6: Final answer
x = 9,477,974.30
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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.