Finding the Fourth Proportional to 7,488,266.70, 11,232,400.05 and 7,194,333.90
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Solution
The fourth proportional to 7,488,266.70, 11,232,400.05 and 7,194,333.90 is: 10,791,500.85
Step by Step Solution
- Step 1: Write the proportion equation
7,488,266.70 : 11,232,400.05 = 7,194,333.90 : x - Step 2: Convert to fraction form
7,488,266.70/11,232,400.05 = 7,194,333.90/x - Step 3: Cross multiply
7,488,266.70x = 11,232,400.05 × 7,194,333.90 - Step 4: Simplify right side
7,488,266.70x = 80,809,636,458,076.70 - Step 5: Solve for x
x = 80,809,636,458,076.70/7,488,266.70 - Step 6: Final answer
x = 10,791,500.85
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1.5x scale
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.