Finding the Fourth Proportional to 18,442,075.47, 27,661,217.23 and 6,144,710.47
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Solution
The fourth proportional to 18,442,075.47, 27,661,217.23 and 6,144,710.47 is: 9,216,433.99
Step by Step Solution
- Step 1: Write the proportion equation
18,442,075.47 : 27,661,217.23 = 6,144,710.47 : x - Step 2: Convert to fraction form
18,442,075.47/27,661,217.23 = 6,144,710.47/x - Step 3: Cross multiply
18,442,075.47x = 27,661,217.23 × 6,144,710.47 - Step 4: Simplify right side
18,442,075.47x = 169,970,171,237,532.66 - Step 5: Solve for x
x = 169,970,171,237,532.66/18,442,075.47 - Step 6: Final answer
x = 9,216,433.99
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1.5x scale
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.