Finding the Fourth Proportional to 8,129,279.19, 12,192,731.84 and 2,370,465.32
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Solution
The fourth proportional to 8,129,279.19, 12,192,731.84 and 2,370,465.32 is: 3,555,351.87
Step by Step Solution
- Step 1: Write the proportion equation
8,129,279.19 : 12,192,731.84 = 2,370,465.32 : x - Step 2: Convert to fraction form
8,129,279.19/12,192,731.84 = 2,370,465.32/x - Step 3: Cross multiply
8,129,279.19x = 12,192,731.84 × 2,370,465.32 - Step 4: Simplify right side
8,129,279.19x = 28,902,447,940,445.63 - Step 5: Solve for x
x = 28,902,447,940,445.63/8,129,279.19 - Step 6: Final answer
x = 3,555,351.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.