Finding the Fourth Proportional to 13,380,206.68, 18,464,685.24 and 7,268,635.18
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Solution
The fourth proportional to 13,380,206.68, 18,464,685.24 and 7,268,635.18 is: 10,030,716.56
Step by Step Solution
- Step 1: Write the proportion equation
13,380,206.68 : 18,464,685.24 = 7,268,635.18 : x - Step 2: Convert to fraction form
13,380,206.68/18,464,685.24 = 7,268,635.18/x - Step 3: Cross multiply
13,380,206.68x = 18,464,685.24 × 7,268,635.18 - Step 4: Simplify right side
13,380,206.68x = 134,213,060,723,090.72 - Step 5: Solve for x
x = 134,213,060,723,090.72/13,380,206.68 - Step 6: Final answer
x = 10,030,716.56
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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.