Finding the Fourth Proportional to 8,901,197.36, 12,283,919.88 and 5,033,640.94
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Solution
The fourth proportional to 8,901,197.36, 12,283,919.88 and 5,033,640.94 is: 6,946,575.78
Step by Step Solution
- Step 1: Write the proportion equation
8,901,197.36 : 12,283,919.88 = 5,033,640.94 : x - Step 2: Convert to fraction form
8,901,197.36/12,283,919.88 = 5,033,640.94/x - Step 3: Cross multiply
8,901,197.36x = 12,283,919.88 × 5,033,640.94 - Step 4: Simplify right side
8,901,197.36x = 61,832,842,011,647.90 - Step 5: Solve for x
x = 61,832,842,011,647.90/8,901,197.36 - Step 6: Final answer
x = 6,946,575.78
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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.