Finding the Fourth Proportional to 7,444,804.40, 11,167,206.60 and 3,185,403.20
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Solution
The fourth proportional to 7,444,804.40, 11,167,206.60 and 3,185,403.20 is: 4,778,104.80
Step by Step Solution
- Step 1: Write the proportion equation
7,444,804.40 : 11,167,206.60 = 3,185,403.20 : x - Step 2: Convert to fraction form
7,444,804.40/11,167,206.60 = 3,185,403.20/x - Step 3: Cross multiply
7,444,804.40x = 11,167,206.60 × 3,185,403.20 - Step 4: Simplify right side
7,444,804.40x = 35,572,055,638,701.12 - Step 5: Solve for x
x = 35,572,055,638,701.12/7,444,804.40 - Step 6: Final answer
x = 4,778,104.80
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Similar ratio
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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.