Finding the Fourth Proportional to 37,986,117.35, 52,420,888.26 and 20,582,448.84
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Solution
The fourth proportional to 37,986,117.35, 52,420,888.26 and 20,582,448.84 is: 28,403,804.50
Step by Step Solution
- Step 1: Write the proportion equation
37,986,117.35 : 52,420,888.26 = 20,582,448.84 : x - Step 2: Convert to fraction form
37,986,117.35/52,420,888.26 = 20,582,448.84/x - Step 3: Cross multiply
37,986,117.35x = 52,420,888.26 × 20,582,448.84 - Step 4: Simplify right side
37,986,117.35x = 1,078,950,250,758,806.62 - Step 5: Solve for x
x = 1,078,950,250,758,806.62/37,986,117.35 - Step 6: Final answer
x = 28,403,804.50
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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.