Finding the Fourth Proportional to 19,556,629.80, 29,345,442.30 and 8,198,226.60
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Solution
The fourth proportional to 19,556,629.80, 29,345,442.30 and 8,198,226.60 is: 12,301,740.54
Step by Step Solution
- Step 1: Write the proportion equation
19,556,629.80 : 29,345,442.30 = 8,198,226.60 : x - Step 2: Convert to fraction form
19,556,629.80/29,345,442.30 = 8,198,226.60/x - Step 3: Cross multiply
19,556,629.80x = 29,345,442.30 × 8,198,226.60 - Step 4: Simplify right side
19,556,629.80x = 240,580,585,652,625.19 - Step 5: Solve for x
x = 240,580,585,652,625.19/19,556,629.80 - Step 6: Final answer
x = 12,301,740.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.