Finding the Fourth Proportional to 20,050,651.91, 27,669,183.66 and 11,348,637.64
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Solution
The fourth proportional to 20,050,651.91, 27,669,183.66 and 11,348,637.64 is: 15,660,714.70
Step by Step Solution
- Step 1: Write the proportion equation
20,050,651.91 : 27,669,183.66 = 11,348,637.64 : x - Step 2: Convert to fraction form
20,050,651.91/27,669,183.66 = 11,348,637.64/x - Step 3: Cross multiply
20,050,651.91x = 27,669,183.66 × 11,348,637.64 - Step 4: Simplify right side
20,050,651.91x = 314,007,539,082,776 - Step 5: Solve for x
x = 314,007,539,082,776/20,050,651.91 - Step 6: Final answer
x = 15,660,714.70
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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.