Finding the Fourth Proportional to 10,368,850.95, 15,553,276.43 and 4,689,260.55
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Solution
The fourth proportional to 10,368,850.95, 15,553,276.43 and 4,689,260.55 is: 7,033,890.83
Step by Step Solution
- Step 1: Write the proportion equation
10,368,850.95 : 15,553,276.43 = 4,689,260.55 : x - Step 2: Convert to fraction form
10,368,850.95/15,553,276.43 = 4,689,260.55/x - Step 3: Cross multiply
10,368,850.95x = 15,553,276.43 × 4,689,260.55 - Step 4: Simplify right side
10,368,850.95x = 72,933,365,562,997.53 - Step 5: Solve for x
x = 72,933,365,562,997.53/10,368,850.95 - Step 6: Final answer
x = 7,033,890.83
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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.