Finding the Fourth Proportional to 11,475,794.58, 15,836,596.54 and 6,319,143.84
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Solution
The fourth proportional to 11,475,794.58, 15,836,596.54 and 6,319,143.84 is: 8,720,418.51
Step by Step Solution
- Step 1: Write the proportion equation
11,475,794.58 : 15,836,596.54 = 6,319,143.84 : x - Step 2: Convert to fraction form
11,475,794.58/15,836,596.54 = 6,319,143.84/x - Step 3: Cross multiply
11,475,794.58x = 15,836,596.54 × 6,319,143.84 - Step 4: Simplify right side
11,475,794.58x = 100,073,731,472,306.31 - Step 5: Solve for x
x = 100,073,731,472,306.31/11,475,794.58 - Step 6: Final answer
x = 8,720,418.51
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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.