Finding the Fourth Proportional to 10,861,544.80, 16,292,317.20 and 10,693,583.20
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Solution
The fourth proportional to 10,861,544.80, 16,292,317.20 and 10,693,583.20 is: 16,040,374.80
Step by Step Solution
- Step 1: Write the proportion equation
10,861,544.80 : 16,292,317.20 = 10,693,583.20 : x - Step 2: Convert to fraction form
10,861,544.80/16,292,317.20 = 10,693,583.20/x - Step 3: Cross multiply
10,861,544.80x = 16,292,317.20 × 10,693,583.20 - Step 4: Simplify right side
10,861,544.80x = 174,223,249,498,991.03 - Step 5: Solve for x
x = 174,223,249,498,991.03/10,861,544.80 - Step 6: Final answer
x = 16,040,374.80
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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.