Finding the Fourth Proportional to 9,343,281.80, 14,014,922.70 and 7,217,517.80
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Solution
The fourth proportional to 9,343,281.80, 14,014,922.70 and 7,217,517.80 is: 10,826,276.70
Step by Step Solution
- Step 1: Write the proportion equation
9,343,281.80 : 14,014,922.70 = 7,217,517.80 : x - Step 2: Convert to fraction form
9,343,281.80/14,014,922.70 = 7,217,517.80/x - Step 3: Cross multiply
9,343,281.80x = 14,014,922.70 × 7,217,517.80 - Step 4: Simplify right side
9,343,281.80x = 101,152,954,052,874.05 - Step 5: Solve for x
x = 101,152,954,052,874.05/9,343,281.80 - Step 6: Final answer
x = 10,826,276.70
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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.