Finding the Fourth Proportional to 26,559,583.20, 39,858,037.20 and 16,998,213.60
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Solution
The fourth proportional to 26,559,583.20, 39,858,037.20 and 16,998,213.60 is: 25,509,264.39
Step by Step Solution
- Step 1: Write the proportion equation
26,559,583.20 : 39,858,037.20 = 16,998,213.60 : x - Step 2: Convert to fraction form
26,559,583.20/39,858,037.20 = 16,998,213.60/x - Step 3: Cross multiply
26,559,583.20x = 39,858,037.20 × 16,998,213.60 - Step 4: Simplify right side
26,559,583.20x = 677,515,430,002,346 - Step 5: Solve for x
x = 677,515,430,002,346/26,559,583.20 - Step 6: Final answer
x = 25,509,264.39
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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.