Finding the Fourth Proportional to 7,014,163.80, 10,521,245.70 and 6,804,211.80
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Solution
The fourth proportional to 7,014,163.80, 10,521,245.70 and 6,804,211.80 is: 10,206,317.70
Step by Step Solution
- Step 1: Write the proportion equation
7,014,163.80 : 10,521,245.70 = 6,804,211.80 : x - Step 2: Convert to fraction form
7,014,163.80/10,521,245.70 = 6,804,211.80/x - Step 3: Cross multiply
7,014,163.80x = 10,521,245.70 × 6,804,211.80 - Step 4: Simplify right side
7,014,163.80x = 71,588,784,142,639.25 - Step 5: Solve for x
x = 71,588,784,142,639.25/7,014,163.80 - Step 6: Final answer
x = 10,206,317.70
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1.5x scale
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.