Finding the Fourth Proportional to 11,133,984.44, 15,364,648.68 and 6,487,479.92
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Solution
The fourth proportional to 11,133,984.44, 15,364,648.68 and 6,487,479.92 is: 8,952,576.71
Step by Step Solution
- Step 1: Write the proportion equation
11,133,984.44 : 15,364,648.68 = 6,487,479.92 : x - Step 2: Convert to fraction form
11,133,984.44/15,364,648.68 = 6,487,479.92/x - Step 3: Cross multiply
11,133,984.44x = 15,364,648.68 × 6,487,479.92 - Step 4: Simplify right side
11,133,984.44x = 99,677,849,789,354.50 - Step 5: Solve for x
x = 99,677,849,789,354.50/11,133,984.44 - Step 6: Final answer
x = 8,952,576.71
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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.