Finding the Fourth Proportional to 22,424,047.30, 30,930,966.21 and 14,149,658.53
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Solution
The fourth proportional to 22,424,047.30, 30,930,966.21 and 14,149,658.53 is: 19,517,556.49
Step by Step Solution
- Step 1: Write the proportion equation
22,424,047.30 : 30,930,966.21 = 14,149,658.53 : x - Step 2: Convert to fraction form
22,424,047.30/30,930,966.21 = 14,149,658.53/x - Step 3: Cross multiply
22,424,047.30x = 30,930,966.21 × 14,149,658.53 - Step 4: Simplify right side
22,424,047.30x = 437,662,609,874,468.25 - Step 5: Solve for x
x = 437,662,609,874,468.25/22,424,047.30 - Step 6: Final answer
x = 19,517,556.49
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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.