Finding the Fourth Proportional to 7,131,752.67, 9,834,375.18 and 4,230,583.05
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Solution
The fourth proportional to 7,131,752.67, 9,834,375.18 and 4,230,583.05 is: 5,833,789.09
Step by Step Solution
- Step 1: Write the proportion equation
7,131,752.67 : 9,834,375.18 = 4,230,583.05 : x - Step 2: Convert to fraction form
7,131,752.67/9,834,375.18 = 4,230,583.05/x - Step 3: Cross multiply
7,131,752.67x = 9,834,375.18 × 4,230,583.05 - Step 4: Simplify right side
7,131,752.67x = 41,605,140,943,848.70 - Step 5: Solve for x
x = 41,605,140,943,848.70/7,131,752.67 - Step 6: Final answer
x = 5,833,789.09
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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.