Finding the Fourth Proportional to 7,518,447.99, 11,275,865.64 and 3,471,047.28
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Solution
The fourth proportional to 7,518,447.99, 11,275,865.64 and 3,471,047.28 is: 5,205,736.98
Step by Step Solution
- Step 1: Write the proportion equation
7,518,447.99 : 11,275,865.64 = 3,471,047.28 : x - Step 2: Convert to fraction form
7,518,447.99/11,275,865.64 = 3,471,047.28/x - Step 3: Cross multiply
7,518,447.99x = 11,275,865.64 × 3,471,047.28 - Step 4: Simplify right side
7,518,447.99x = 39,139,062,759,367.46 - Step 5: Solve for x
x = 39,139,062,759,367.46/7,518,447.99 - Step 6: Final answer
x = 5,205,736.98
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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.