Finding the Fourth Proportional to 13,327,518.23, 19,991,277.34 and 3,230,139.23
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Solution
The fourth proportional to 13,327,518.23, 19,991,277.34 and 3,230,139.23 is: 4,845,208.84
Step by Step Solution
- Step 1: Write the proportion equation
13,327,518.23 : 19,991,277.34 = 3,230,139.23 : x - Step 2: Convert to fraction form
13,327,518.23/19,991,277.34 = 3,230,139.23/x - Step 3: Cross multiply
13,327,518.23x = 19,991,277.34 × 3,230,139.23 - Step 4: Simplify right side
13,327,518.23x = 64,574,609,185,668.70 - Step 5: Solve for x
x = 64,574,609,185,668.70/13,327,518.23 - Step 6: Final answer
x = 4,845,208.84
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Double scale
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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.