Finding the Fourth Proportional to 11,889,850.64, 16,409,005.80 and 6,734,129.36
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Solution
The fourth proportional to 11,889,850.64, 16,409,005.80 and 6,734,129.36 is: 9,293,671.64
Step by Step Solution
- Step 1: Write the proportion equation
11,889,850.64 : 16,409,005.80 = 6,734,129.36 : x - Step 2: Convert to fraction form
11,889,850.64/16,409,005.80 = 6,734,129.36/x - Step 3: Cross multiply
11,889,850.64x = 16,409,005.80 × 6,734,129.36 - Step 4: Simplify right side
11,889,850.64x = 110,500,367,726,190.30 - Step 5: Solve for x
x = 110,500,367,726,190.30/11,889,850.64 - Step 6: Final answer
x = 9,293,671.64
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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.