Finding the Fourth Proportional to 32,586,945.60, 48,911,911.20 and 19,832,361.60
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Solution
The fourth proportional to 32,586,945.60, 48,911,911.20 and 19,832,361.60 is: 29,767,708.87
Step by Step Solution
- Step 1: Write the proportion equation
32,586,945.60 : 48,911,911.20 = 19,832,361.60 : x - Step 2: Convert to fraction form
32,586,945.60/48,911,911.20 = 19,832,361.60/x - Step 3: Cross multiply
32,586,945.60x = 48,911,911.20 × 19,832,361.60 - Step 4: Simplify right side
32,586,945.60x = 970,038,709,465,490 - Step 5: Solve for x
x = 970,038,709,465,490/32,586,945.60 - Step 6: Final answer
x = 29,767,708.87
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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.