Finding the Fourth Proportional to 16,638,101.60, 24,933,824.40 and 13,232,213.60
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Solution
The fourth proportional to 16,638,101.60, 24,933,824.40 and 13,232,213.60 is: 19,829,767.74
Step by Step Solution
- Step 1: Write the proportion equation
16,638,101.60 : 24,933,824.40 = 13,232,213.60 : x - Step 2: Convert to fraction form
16,638,101.60/24,933,824.40 = 13,232,213.60/x - Step 3: Cross multiply
16,638,101.60x = 24,933,824.40 × 13,232,213.60 - Step 4: Simplify right side
16,638,101.60x = 329,929,690,325,691.81 - Step 5: Solve for x
x = 329,929,690,325,691.81/16,638,101.60 - Step 6: Final answer
x = 19,829,767.74
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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.