Finding the Fourth Proportional to 18,503,493.30, 27,771,183.18 and 12,827,703.42
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Solution
The fourth proportional to 18,503,493.30, 27,771,183.18 and 12,827,703.42 is: 19,252,607.91
Step by Step Solution
- Step 1: Write the proportion equation
18,503,493.30 : 27,771,183.18 = 12,827,703.42 : x - Step 2: Convert to fraction form
18,503,493.30/27,771,183.18 = 12,827,703.42/x - Step 3: Cross multiply
18,503,493.30x = 27,771,183.18 × 12,827,703.42 - Step 4: Simplify right side
18,503,493.30x = 356,240,501,521,660.12 - Step 5: Solve for x
x = 356,240,501,521,660.12/18,503,493.30 - Step 6: Final answer
x = 19,252,607.91
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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.