Finding the Fourth Proportional to 7,543,228.08, 11,296,832.20 and 4,341,624.56
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Solution
The fourth proportional to 7,543,228.08, 11,296,832.20 and 4,341,624.56 is: 6,502,070.94
Step by Step Solution
- Step 1: Write the proportion equation
7,543,228.08 : 11,296,832.20 = 4,341,624.56 : x - Step 2: Convert to fraction form
7,543,228.08/11,296,832.20 = 4,341,624.56/x - Step 3: Cross multiply
7,543,228.08x = 11,296,832.20 × 4,341,624.56 - Step 4: Simplify right side
7,543,228.08x = 49,046,604,129,718.82 - Step 5: Solve for x
x = 49,046,604,129,718.82/7,543,228.08 - Step 6: Final answer
x = 6,502,070.94
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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.