Finding the Fourth Proportional to 49,628,662.20, 74,445,326.10 and 15,551,119.80
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Solution
The fourth proportional to 49,628,662.20, 74,445,326.10 and 15,551,119.80 is: 23,327,410.68
Step by Step Solution
- Step 1: Write the proportion equation
49,628,662.20 : 74,445,326.10 = 15,551,119.80 : x - Step 2: Convert to fraction form
49,628,662.20/74,445,326.10 = 15,551,119.80/x - Step 3: Cross multiply
49,628,662.20x = 74,445,326.10 × 15,551,119.80 - Step 4: Simplify right side
49,628,662.20x = 1,157,708,184,731,166.75 - Step 5: Solve for x
x = 1,157,708,184,731,166.75/49,628,662.20 - Step 6: Final answer
x = 23,327,410.68
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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.