Finding the Fourth Proportional to 36,690,157.73, 55,041,879.60 and 18,448,445.40
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Solution
The fourth proportional to 36,690,157.73, 55,041,879.60 and 18,448,445.40 is: 27,676,008.32
Step by Step Solution
- Step 1: Write the proportion equation
36,690,157.73 : 55,041,879.60 = 18,448,445.40 : x - Step 2: Convert to fraction form
36,690,157.73/55,041,879.60 = 18,448,445.40/x - Step 3: Cross multiply
36,690,157.73x = 55,041,879.60 × 18,448,445.40 - Step 4: Simplify right side
36,690,157.73x = 1,015,437,110,513,973.75 - Step 5: Solve for x
x = 1,015,437,110,513,973.75/36,690,157.73 - Step 6: Final answer
x = 27,676,008.32
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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.