Finding the Fourth Proportional to 7,549,775.84, 10,419,719.10 and 4,453,173.92
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Solution
The fourth proportional to 7,549,775.84, 10,419,719.10 and 4,453,173.92 is: 6,145,986.63
Step by Step Solution
- Step 1: Write the proportion equation
7,549,775.84 : 10,419,719.10 = 4,453,173.92 : x - Step 2: Convert to fraction form
7,549,775.84/10,419,719.10 = 4,453,173.92/x - Step 3: Cross multiply
7,549,775.84x = 10,419,719.10 × 4,453,173.92 - Step 4: Simplify right side
7,549,775.84x = 46,400,821,349,845.87 - Step 5: Solve for x
x = 46,400,821,349,845.87/7,549,775.84 - Step 6: Final answer
x = 6,145,986.63
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1.5x scale
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.