Finding the Fourth Proportional to 28,783,549.10, 39,721,233.12 and 16,393,641.68
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Solution
The fourth proportional to 28,783,549.10, 39,721,233.12 and 16,393,641.68 is: 22,623,188.70
Step by Step Solution
- Step 1: Write the proportion equation
28,783,549.10 : 39,721,233.12 = 16,393,641.68 : x - Step 2: Convert to fraction form
28,783,549.10/39,721,233.12 = 16,393,641.68/x - Step 3: Cross multiply
28,783,549.10x = 39,721,233.12 × 16,393,641.68 - Step 4: Simplify right side
28,783,549.10x = 651,175,662,857,028.38 - Step 5: Solve for x
x = 651,175,662,857,028.38/28,783,549.10 - Step 6: Final answer
x = 22,623,188.70
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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.