Finding the Fourth Proportional to 12,303,490.48, 18,444,766.68 and 7,514,539.36
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Solution
The fourth proportional to 12,303,490.48, 18,444,766.68 and 7,514,539.36 is: 11,265,414.92
Step by Step Solution
- Step 1: Write the proportion equation
12,303,490.48 : 18,444,766.68 = 7,514,539.36 : x - Step 2: Convert to fraction form
12,303,490.48/18,444,766.68 = 7,514,539.36/x - Step 3: Cross multiply
12,303,490.48x = 18,444,766.68 × 7,514,539.36 - Step 4: Simplify right side
12,303,490.48x = 138,603,925,202,876.53 - Step 5: Solve for x
x = 138,603,925,202,876.53/12,303,490.48 - Step 6: Final answer
x = 11,265,414.92
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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.