Finding the Fourth Proportional to 45,357,544.07, 68,036,586.74 and 11,278,889.94
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Solution
The fourth proportional to 45,357,544.07, 68,036,586.74 and 11,278,889.94 is: 16,918,402.21
Step by Step Solution
- Step 1: Write the proportion equation
45,357,544.07 : 68,036,586.74 = 11,278,889.94 : x - Step 2: Convert to fraction form
45,357,544.07/68,036,586.74 = 11,278,889.94/x - Step 3: Cross multiply
45,357,544.07x = 68,036,586.74 × 11,278,889.94 - Step 4: Simplify right side
45,357,544.07x = 767,377,173,677,328.88 - Step 5: Solve for x
x = 767,377,173,677,328.88/45,357,544.07 - Step 6: Final answer
x = 16,918,402.21
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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.