Finding the Fourth Proportional to 5,560,850.40, 8,353,717.20 and 5,334,136.80
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Solution
The fourth proportional to 5,560,850.40, 8,353,717.20 and 5,334,136.80 is: 8,013,139.56
Step by Step Solution
- Step 1: Write the proportion equation
5,560,850.40 : 8,353,717.20 = 5,334,136.80 : x - Step 2: Convert to fraction form
5,560,850.40/8,353,717.20 = 5,334,136.80/x - Step 3: Cross multiply
5,560,850.40x = 8,353,717.20 × 5,334,136.80 - Step 4: Simplify right side
5,560,850.40x = 44,559,870,333,312.96 - Step 5: Solve for x
x = 44,559,870,333,312.96/5,560,850.40 - Step 6: Final answer
x = 8,013,139.56
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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.