Finding the Fourth Proportional to 7,045,303.35, 9,722,520.05 and 4,291,989.95
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Solution
The fourth proportional to 7,045,303.35, 9,722,520.05 and 4,291,989.95 is: 5,922,946.99
Step by Step Solution
- Step 1: Write the proportion equation
7,045,303.35 : 9,722,520.05 = 4,291,989.95 : x - Step 2: Convert to fraction form
7,045,303.35/9,722,520.05 = 4,291,989.95/x - Step 3: Cross multiply
7,045,303.35x = 9,722,520.05 × 4,291,989.95 - Step 4: Simplify right side
7,045,303.35x = 41,728,958,273,200.95 - Step 5: Solve for x
x = 41,728,958,273,200.95/7,045,303.35 - Step 6: Final answer
x = 5,922,946.99
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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.