Finding the Fourth Proportional to 11,084,647.32, 15,295,464.36 and 6,190,141.32
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Solution
The fourth proportional to 11,084,647.32, 15,295,464.36 and 6,190,141.32 is: 8,541,641.71
Step by Step Solution
- Step 1: Write the proportion equation
11,084,647.32 : 15,295,464.36 = 6,190,141.32 : x - Step 2: Convert to fraction form
11,084,647.32/15,295,464.36 = 6,190,141.32/x - Step 3: Cross multiply
11,084,647.32x = 15,295,464.36 × 6,190,141.32 - Step 4: Simplify right side
11,084,647.32x = 94,681,085,943,423.36 - Step 5: Solve for x
x = 94,681,085,943,423.36/11,084,647.32 - Step 6: Final answer
x = 8,541,641.71
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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.