Finding the Fourth Proportional to 12,807,350.39, 17,674,090.66 and 6,926,991.09
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Solution
The fourth proportional to 12,807,350.39, 17,674,090.66 and 6,926,991.09 is: 9,559,219.10
Step by Step Solution
- Step 1: Write the proportion equation
12,807,350.39 : 17,674,090.66 = 6,926,991.09 : x - Step 2: Convert to fraction form
12,807,350.39/17,674,090.66 = 6,926,991.09/x - Step 3: Cross multiply
12,807,350.39x = 17,674,090.66 × 6,926,991.09 - Step 4: Simplify right side
12,807,350.39x = 122,428,268,496,093.50 - Step 5: Solve for x
x = 122,428,268,496,093.50/12,807,350.39 - Step 6: Final answer
x = 9,559,219.10
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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.