Finding the Fourth Proportional to 8,118,320.40, 11,199,034.26 and 5,019,853.02
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Solution
The fourth proportional to 8,118,320.40, 11,199,034.26 and 5,019,853.02 is: 6,924,770.54
Step by Step Solution
- Step 1: Write the proportion equation
8,118,320.40 : 11,199,034.26 = 5,019,853.02 : x - Step 2: Convert to fraction form
8,118,320.40/11,199,034.26 = 5,019,853.02/x - Step 3: Cross multiply
8,118,320.40x = 11,199,034.26 × 5,019,853.02 - Step 4: Simplify right side
8,118,320.40x = 56,217,505,951,144.46 - Step 5: Solve for x
x = 56,217,505,951,144.46/8,118,320.40 - Step 6: Final answer
x = 6,924,770.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.