Finding the Fourth Proportional to 28,508,007.67, 39,373,527.44 and 19,324,707.19
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Solution
The fourth proportional to 28,508,007.67, 39,373,527.44 and 19,324,707.19 is: 26,690,110.99
Step by Step Solution
- Step 1: Write the proportion equation
28,508,007.67 : 39,373,527.44 = 19,324,707.19 : x - Step 2: Convert to fraction form
28,508,007.67/39,373,527.44 = 19,324,707.19/x - Step 3: Cross multiply
28,508,007.67x = 39,373,527.44 × 19,324,707.19 - Step 4: Simplify right side
28,508,007.67x = 760,881,888,765,308.25 - Step 5: Solve for x
x = 760,881,888,765,308.25/28,508,007.67 - Step 6: Final answer
x = 26,690,110.99
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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.