Finding the Fourth Proportional to 33,477,602.20, 50,203,961.70 and 13,278,664.60
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Solution
The fourth proportional to 33,477,602.20, 50,203,961.70 and 13,278,664.60 is: 19,913,062.02
Step by Step Solution
- Step 1: Write the proportion equation
33,477,602.20 : 50,203,961.70 = 13,278,664.60 : x - Step 2: Convert to fraction form
33,477,602.20/50,203,961.70 = 13,278,664.60/x - Step 3: Cross multiply
33,477,602.20x = 50,203,961.70 × 13,278,664.60 - Step 4: Simplify right side
33,477,602.20x = 666,641,569,005,545.88 - Step 5: Solve for x
x = 666,641,569,005,545.88/33,477,602.20 - Step 6: Final answer
x = 19,913,062.02
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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.