Finding the Fourth Proportional to 18,589,829.70, 27,884,744.55 and 14,338,301.70
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Solution
The fourth proportional to 18,589,829.70, 27,884,744.55 and 14,338,301.70 is: 21,507,452.55
Step by Step Solution
- Step 1: Write the proportion equation
18,589,829.70 : 27,884,744.55 = 14,338,301.70 : x - Step 2: Convert to fraction form
18,589,829.70/27,884,744.55 = 14,338,301.70/x - Step 3: Cross multiply
18,589,829.70x = 27,884,744.55 × 14,338,301.70 - Step 4: Simplify right side
18,589,829.70x = 399,819,880,185,330.75 - Step 5: Solve for x
x = 399,819,880,185,330.75/18,589,829.70 - Step 6: Final answer
x = 21,507,452.55
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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.