Finding the Fourth Proportional to 7,649,566.50, 10,556,192.79 and 4,211,826.06
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Solution
The fourth proportional to 7,649,566.50, 10,556,192.79 and 4,211,826.06 is: 5,812,204.90
Step by Step Solution
- Step 1: Write the proportion equation
7,649,566.50 : 10,556,192.79 = 4,211,826.06 : x - Step 2: Convert to fraction form
7,649,566.50/10,556,192.79 = 4,211,826.06/x - Step 3: Cross multiply
7,649,566.50x = 10,556,192.79 × 4,211,826.06 - Step 4: Simplify right side
7,649,566.50x = 44,460,847,887,306.10 - Step 5: Solve for x
x = 44,460,847,887,306.10/7,649,566.50 - Step 6: Final answer
x = 5,812,204.90
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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.