Finding the Fourth Proportional to 7,592,903.12, 10,478,187.06 and 4,155,114.08
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Solution
The fourth proportional to 7,592,903.12, 10,478,187.06 and 4,155,114.08 is: 5,734,046.90
Step by Step Solution
- Step 1: Write the proportion equation
7,592,903.12 : 10,478,187.06 = 4,155,114.08 : x - Step 2: Convert to fraction form
7,592,903.12/10,478,187.06 = 4,155,114.08/x - Step 3: Cross multiply
7,592,903.12x = 10,478,187.06 × 4,155,114.08 - Step 4: Simplify right side
7,592,903.12x = 43,538,062,585,879.80 - Step 5: Solve for x
x = 43,538,062,585,879.80/7,592,903.12 - Step 6: Final answer
x = 5,734,046.90
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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.