Finding the Fourth Proportional to 12,168,835.20, 18,259,544.07 and 5,350,192.02
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Solution
The fourth proportional to 12,168,835.20, 18,259,544.07 and 5,350,192.02 is: 8,028,054.07
Step by Step Solution
- Step 1: Write the proportion equation
12,168,835.20 : 18,259,544.07 = 5,350,192.02 : x - Step 2: Convert to fraction form
12,168,835.20/18,259,544.07 = 5,350,192.02/x - Step 3: Cross multiply
12,168,835.20x = 18,259,544.07 × 5,350,192.02 - Step 4: Simplify right side
12,168,835.20x = 97,692,066,972,152.31 - Step 5: Solve for x
x = 97,692,066,972,152.31/12,168,835.20 - Step 6: Final answer
x = 8,028,054.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.