Finding the Fourth Proportional to 9,378,449.99, 14,067,412.55 and 2,989,085.75
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Solution
The fourth proportional to 9,378,449.99, 14,067,412.55 and 2,989,085.75 is: 4,483,544.98
Step by Step Solution
- Step 1: Write the proportion equation
9,378,449.99 : 14,067,412.55 = 2,989,085.75 : x - Step 2: Convert to fraction form
9,378,449.99/14,067,412.55 = 2,989,085.75/x - Step 3: Cross multiply
9,378,449.99x = 14,067,412.55 × 2,989,085.75 - Step 4: Simplify right side
9,378,449.99x = 42,048,702,392,576.16 - Step 5: Solve for x
x = 42,048,702,392,576.16/9,378,449.99 - Step 6: Final answer
x = 4,483,544.98
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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.