Finding the Fourth Proportional to 7,859,497.95, 11,788,571.61 and 4,784,690.79
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Solution
The fourth proportional to 7,859,497.95, 11,788,571.61 and 4,784,690.79 is: 7,176,625.07
Step by Step Solution
- Step 1: Write the proportion equation
7,859,497.95 : 11,788,571.61 = 4,784,690.79 : x - Step 2: Convert to fraction form
7,859,497.95/11,788,571.61 = 4,784,690.79/x - Step 3: Cross multiply
7,859,497.95x = 11,788,571.61 × 4,784,690.79 - Step 4: Simplify right side
7,859,497.95x = 56,404,670,009,622.47 - Step 5: Solve for x
x = 56,404,670,009,622.47/7,859,497.95 - Step 6: Final answer
x = 7,176,625.07
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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.