Finding the Fourth Proportional to 7,364,038.14, 10,157,137.74 and 4,915,414.62
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Solution
The fourth proportional to 7,364,038.14, 10,157,137.74 and 4,915,414.62 is: 6,779,777.94
Step by Step Solution
- Step 1: Write the proportion equation
7,364,038.14 : 10,157,137.74 = 4,915,414.62 : x - Step 2: Convert to fraction form
7,364,038.14/10,157,137.74 = 4,915,414.62/x - Step 3: Cross multiply
7,364,038.14x = 10,157,137.74 × 4,915,414.62 - Step 4: Simplify right side
7,364,038.14x = 49,926,543,344,549.76 - Step 5: Solve for x
x = 49,926,543,344,549.76/7,364,038.14 - Step 6: Final answer
x = 6,779,777.94
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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.