Finding the Fourth Proportional to 11,783,343.60, 16,261,657.44 and 6,627,009.96
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Solution
The fourth proportional to 11,783,343.60, 16,261,657.44 and 6,627,009.96 is: 9,145,635.52
Step by Step Solution
- Step 1: Write the proportion equation
11,783,343.60 : 16,261,657.44 = 6,627,009.96 : x - Step 2: Convert to fraction form
11,783,343.60/16,261,657.44 = 6,627,009.96/x - Step 3: Cross multiply
11,783,343.60x = 16,261,657.44 × 6,627,009.96 - Step 4: Simplify right side
11,783,343.60x = 107,766,165,820,988.09 - Step 5: Solve for x
x = 107,766,165,820,988.09/11,783,343.60 - Step 6: Final answer
x = 9,145,635.52
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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.