Finding the Fourth Proportional to 10,495,537.80, 15,743,306.70 and 10,495,537.80
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Solution
The fourth proportional to 10,495,537.80, 15,743,306.70 and 10,495,537.80 is: 15,743,306.70
Step by Step Solution
- Step 1: Write the proportion equation
10,495,537.80 : 15,743,306.70 = 10,495,537.80 : x - Step 2: Convert to fraction form
10,495,537.80/15,743,306.70 = 10,495,537.80/x - Step 3: Cross multiply
10,495,537.80x = 15,743,306.70 × 10,495,537.80 - Step 4: Simplify right side
10,495,537.80x = 165,234,470,566,843.25 - Step 5: Solve for x
x = 165,234,470,566,843.25/10,495,537.80 - Step 6: Final answer
x = 15,743,306.70
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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.