Finding the Fourth Proportional to 39,110,879.14, 53,975,535.51 and 21,707,225.26
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Solution
The fourth proportional to 39,110,879.14, 53,975,535.51 and 21,707,225.26 is: 29,957,370.78
Step by Step Solution
- Step 1: Write the proportion equation
39,110,879.14 : 53,975,535.51 = 21,707,225.26 : x - Step 2: Convert to fraction form
39,110,879.14/53,975,535.51 = 21,707,225.26/x - Step 3: Cross multiply
39,110,879.14x = 53,975,535.51 × 21,707,225.26 - Step 4: Simplify right side
39,110,879.14x = 1,171,659,107,844,699 - Step 5: Solve for x
x = 1,171,659,107,844,699/39,110,879.14 - Step 6: Final answer
x = 29,957,370.78
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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.