Finding the Fourth Proportional to 5,503,855.05, 8,255,782.58 and 5,283,405.45
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Solution
The fourth proportional to 5,503,855.05, 8,255,782.58 and 5,283,405.45 is: 7,925,108.18
Step by Step Solution
- Step 1: Write the proportion equation
5,503,855.05 : 8,255,782.58 = 5,283,405.45 : x - Step 2: Convert to fraction form
5,503,855.05/8,255,782.58 = 5,283,405.45/x - Step 3: Cross multiply
5,503,855.05x = 8,255,782.58 × 5,283,405.45 - Step 4: Simplify right side
5,503,855.05x = 43,618,646,650,770.04 - Step 5: Solve for x
x = 43,618,646,650,770.04/5,503,855.05 - Step 6: Final answer
x = 7,925,108.18
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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.