Finding the Fourth Proportional to 9,793,147.40, 14,689,721.10 and 9,730,161.80
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Solution
The fourth proportional to 9,793,147.40, 14,689,721.10 and 9,730,161.80 is: 14,595,242.70
Step by Step Solution
- Step 1: Write the proportion equation
9,793,147.40 : 14,689,721.10 = 9,730,161.80 : x - Step 2: Convert to fraction form
9,793,147.40/14,689,721.10 = 9,730,161.80/x - Step 3: Cross multiply
9,793,147.40x = 14,689,721.10 × 9,730,161.80 - Step 4: Simplify right side
9,793,147.40x = 142,933,363,099,874 - Step 5: Solve for x
x = 142,933,363,099,874/9,793,147.40 - Step 6: Final answer
x = 14,595,242.70
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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.