Finding the Fourth Proportional to 7,390,775.11, 10,125,192.46 and 7,114,453.98
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Solution
The fourth proportional to 7,390,775.11, 10,125,192.46 and 7,114,453.98 is: 9,746,638.85
Step by Step Solution
- Step 1: Write the proportion equation
7,390,775.11 : 10,125,192.46 = 7,114,453.98 : x - Step 2: Convert to fraction form
7,390,775.11/10,125,192.46 = 7,114,453.98/x - Step 3: Cross multiply
7,390,775.11x = 10,125,192.46 × 7,114,453.98 - Step 4: Simplify right side
7,390,775.11x = 72,035,215,795,313 - Step 5: Solve for x
x = 72,035,215,795,313/7,390,775.11 - Step 6: Final answer
x = 9,746,638.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.