Finding the Fourth Proportional to 9,879,818.63, 14,817,654.35 and 2,786,447.75
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Solution
The fourth proportional to 9,879,818.63, 14,817,654.35 and 2,786,447.75 is: 4,179,086.80
Step by Step Solution
- Step 1: Write the proportion equation
9,879,818.63 : 14,817,654.35 = 2,786,447.75 : x - Step 2: Convert to fraction form
9,879,818.63/14,817,654.35 = 2,786,447.75/x - Step 3: Cross multiply
9,879,818.63x = 14,817,654.35 × 2,786,447.75 - Step 4: Simplify right side
9,879,818.63x = 41,288,619,609,902.98 - Step 5: Solve for x
x = 41,288,619,609,902.98/9,879,818.63 - Step 6: Final answer
x = 4,179,086.80
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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.