Finding the Fourth Proportional to 11,281,325.94, 15,553,193.49 and 8,965,949.94
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Solution
The fourth proportional to 11,281,325.94, 15,553,193.49 and 8,965,949.94 is: 12,361,060.66
Step by Step Solution
- Step 1: Write the proportion equation
11,281,325.94 : 15,553,193.49 = 8,965,949.94 : x - Step 2: Convert to fraction form
11,281,325.94/15,553,193.49 = 8,965,949.94/x - Step 3: Cross multiply
11,281,325.94x = 15,553,193.49 × 8,965,949.94 - Step 4: Simplify right side
11,281,325.94x = 139,449,154,238,473.89 - Step 5: Solve for x
x = 139,449,154,238,473.89/11,281,325.94 - Step 6: Final answer
x = 12,361,060.66
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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.