Finding the Fourth Proportional to 8,193,495.18, 12,290,833.26 and 3,144,805.68
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Solution
The fourth proportional to 8,193,495.18, 12,290,833.26 and 3,144,805.68 is: 4,717,435.16
Step by Step Solution
- Step 1: Write the proportion equation
8,193,495.18 : 12,290,833.26 = 3,144,805.68 : x - Step 2: Convert to fraction form
8,193,495.18/12,290,833.26 = 3,144,805.68/x - Step 3: Cross multiply
8,193,495.18x = 12,290,833.26 × 3,144,805.68 - Step 4: Simplify right side
8,193,495.18x = 38,652,282,247,980.92 - Step 5: Solve for x
x = 38,652,282,247,980.92/8,193,495.18 - Step 6: Final answer
x = 4,717,435.16
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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.