Finding the Fourth Proportional to 8,359,532.68, 11,531,255.73 and 5,257,135.12
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Solution
The fourth proportional to 8,359,532.68, 11,531,255.73 and 5,257,135.12 is: 7,251,765.35
Step by Step Solution
- Step 1: Write the proportion equation
8,359,532.68 : 11,531,255.73 = 5,257,135.12 : x - Step 2: Convert to fraction form
8,359,532.68/11,531,255.73 = 5,257,135.12/x - Step 3: Cross multiply
8,359,532.68x = 11,531,255.73 × 5,257,135.12 - Step 4: Simplify right side
8,359,532.68x = 60,621,369,418,227.96 - Step 5: Solve for x
x = 60,621,369,418,227.96/8,359,532.68 - Step 6: Final answer
x = 7,251,765.35
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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.