Finding the Fourth Proportional to 7,760,330.58, 10,709,497.95 and 4,453,230.42
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Solution
The fourth proportional to 7,760,330.58, 10,709,497.95 and 4,453,230.42 is: 6,145,596.71
Step by Step Solution
- Step 1: Write the proportion equation
7,760,330.58 : 10,709,497.95 = 4,453,230.42 : x - Step 2: Convert to fraction form
7,760,330.58/10,709,497.95 = 4,453,230.42/x - Step 3: Cross multiply
7,760,330.58x = 10,709,497.95 × 4,453,230.42 - Step 4: Simplify right side
7,760,330.58x = 47,691,862,053,867.63 - Step 5: Solve for x
x = 47,691,862,053,867.63/7,760,330.58 - Step 6: Final answer
x = 6,145,596.71
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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.