Finding the Fourth Proportional to 38,831,729.40, 58,247,594.10 and 36,438,276.60
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Solution
The fourth proportional to 38,831,729.40, 58,247,594.10 and 36,438,276.60 is: 54,657,414.90
Step by Step Solution
- Step 1: Write the proportion equation
38,831,729.40 : 58,247,594.10 = 36,438,276.60 : x - Step 2: Convert to fraction form
38,831,729.40/58,247,594.10 = 36,438,276.60/x - Step 3: Cross multiply
38,831,729.40x = 58,247,594.10 × 36,438,276.60 - Step 4: Simplify right side
38,831,729.40x = 2,122,441,945,100,328.25 - Step 5: Solve for x
x = 2,122,441,945,100,328.25/38,831,729.40 - Step 6: Final answer
x = 54,657,414.90
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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.