Finding the Fourth Proportional to 22,625,773.47, 31,226,930.19 and 13,330,371.69
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Solution
The fourth proportional to 22,625,773.47, 31,226,930.19 and 13,330,371.69 is: 18,397,894.19
Step by Step Solution
- Step 1: Write the proportion equation
22,625,773.47 : 31,226,930.19 = 13,330,371.69 : x - Step 2: Convert to fraction form
22,625,773.47/31,226,930.19 = 13,330,371.69/x - Step 3: Cross multiply
22,625,773.47x = 31,226,930.19 × 13,330,371.69 - Step 4: Simplify right side
22,625,773.47x = 416,266,586,170,382.31 - Step 5: Solve for x
x = 416,266,586,170,382.31/22,625,773.47 - Step 6: Final answer
x = 18,397,894.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.