Finding the Fourth Proportional to 36,690,525.23, 55,042,430.85 and 18,448,812.90
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Solution
The fourth proportional to 36,690,525.23, 55,042,430.85 and 18,448,812.90 is: 27,676,559.60
Step by Step Solution
- Step 1: Write the proportion equation
36,690,525.23 : 55,042,430.85 = 18,448,812.90 : x - Step 2: Convert to fraction form
36,690,525.23/55,042,430.85 = 18,448,812.90/x - Step 3: Cross multiply
36,690,525.23x = 55,042,430.85 × 18,448,812.90 - Step 4: Simplify right side
36,690,525.23x = 1,015,467,508,312,837.88 - Step 5: Solve for x
x = 1,015,467,508,312,837.88/36,690,525.23 - Step 6: Final answer
x = 27,676,559.60
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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.