Finding the Fourth Proportional to 7,140,163.74, 9,850,992.66 and 4,563,331.08
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Solution
The fourth proportional to 7,140,163.74, 9,850,992.66 and 4,563,331.08 is: 6,295,841.75
Step by Step Solution
- Step 1: Write the proportion equation
7,140,163.74 : 9,850,992.66 = 4,563,331.08 : x - Step 2: Convert to fraction form
7,140,163.74/9,850,992.66 = 4,563,331.08/x - Step 3: Cross multiply
7,140,163.74x = 9,850,992.66 × 4,563,331.08 - Step 4: Simplify right side
7,140,163.74x = 44,953,340,974,229.88 - Step 5: Solve for x
x = 44,953,340,974,229.88/7,140,163.74 - Step 6: Final answer
x = 6,295,841.75
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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.