Finding the Fourth Proportional to 12,765,163.60, 19,157,076.60 and 8,986,027.60
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Solution
The fourth proportional to 12,765,163.60, 19,157,076.60 and 8,986,027.60 is: 13,485,610.09
Step by Step Solution
- Step 1: Write the proportion equation
12,765,163.60 : 19,157,076.60 = 8,986,027.60 : x - Step 2: Convert to fraction form
12,765,163.60/19,157,076.60 = 8,986,027.60/x - Step 3: Cross multiply
12,765,163.60x = 19,157,076.60 × 8,986,027.60 - Step 4: Simplify right side
12,765,163.60x = 172,146,019,062,914.16 - Step 5: Solve for x
x = 172,146,019,062,914.16/12,765,163.60 - Step 6: Final answer
x = 13,485,610.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.