Finding the Fourth Proportional to 8,794,996.90, 13,192,495.35 and 8,157,267.70
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Solution
The fourth proportional to 8,794,996.90, 13,192,495.35 and 8,157,267.70 is: 12,235,901.55
Step by Step Solution
- Step 1: Write the proportion equation
8,794,996.90 : 13,192,495.35 = 8,157,267.70 : x - Step 2: Convert to fraction form
8,794,996.90/13,192,495.35 = 8,157,267.70/x - Step 3: Cross multiply
8,794,996.90x = 13,192,495.35 × 8,157,267.70 - Step 4: Simplify right side
8,794,996.90x = 107,614,716,200,955.19 - Step 5: Solve for x
x = 107,614,716,200,955.19/8,794,996.90 - Step 6: Final answer
x = 12,235,901.55
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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.