Finding the Fourth Proportional to 11,226,918.11, 15,493,056.76 and 6,517,750.57
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Solution
The fourth proportional to 11,226,918.11, 15,493,056.76 and 6,517,750.57 is: 8,994,443.39
Step by Step Solution
- Step 1: Write the proportion equation
11,226,918.11 : 15,493,056.76 = 6,517,750.57 : x - Step 2: Convert to fraction form
11,226,918.11/15,493,056.76 = 6,517,750.57/x - Step 3: Cross multiply
11,226,918.11x = 15,493,056.76 × 6,517,750.57 - Step 4: Simplify right side
11,226,918.11x = 100,979,879,483,070.89 - Step 5: Solve for x
x = 100,979,879,483,070.89/11,226,918.11 - Step 6: Final answer
x = 8,994,443.39
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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.