Finding the Fourth Proportional to 11,119,812, 15,345,236.88 and 6,290,916
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Solution
The fourth proportional to 11,119,812, 15,345,236.88 and 6,290,916 is: 8,681,405.42
Step by Step Solution
- Step 1: Write the proportion equation
11,119,812 : 15,345,236.88 = 6,290,916 : x - Step 2: Convert to fraction form
11,119,812/15,345,236.88 = 6,290,916/x - Step 3: Cross multiply
11,119,812x = 15,345,236.88 × 6,290,916 - Step 4: Simplify right side
11,119,812x = 96,535,596,212,182.08 - Step 5: Solve for x
x = 96,535,596,212,182.08/11,119,812 - Step 6: Final answer
x = 8,681,405.42
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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.