Finding the Fourth Proportional to 18,330,394.05, 27,495,586.97 and 4,683,565.99
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Solution
The fourth proportional to 18,330,394.05, 27,495,586.97 and 4,683,565.99 is: 7,025,347.94
Step by Step Solution
- Step 1: Write the proportion equation
18,330,394.05 : 27,495,586.97 = 4,683,565.99 : x - Step 2: Convert to fraction form
18,330,394.05/27,495,586.97 = 4,683,565.99/x - Step 3: Cross multiply
18,330,394.05x = 27,495,586.97 × 4,683,565.99 - Step 4: Simplify right side
18,330,394.05x = 128,777,396,007,779.16 - Step 5: Solve for x
x = 128,777,396,007,779.16/18,330,394.05 - Step 6: Final answer
x = 7,025,347.94
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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.