Finding the Fourth Proportional to 10,385,414.88, 15,579,893.76 and 4,630,236.80
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Solution
The fourth proportional to 10,385,414.88, 15,579,893.76 and 4,630,236.80 is: 6,946,144.98
Step by Step Solution
- Step 1: Write the proportion equation
10,385,414.88 : 15,579,893.76 = 4,630,236.80 : x - Step 2: Convert to fraction form
10,385,414.88/15,579,893.76 = 4,630,236.80/x - Step 3: Cross multiply
10,385,414.88x = 15,579,893.76 × 4,630,236.80 - Step 4: Simplify right side
10,385,414.88x = 72,138,597,427,642.36 - Step 5: Solve for x
x = 72,138,597,427,642.36/10,385,414.88 - Step 6: Final answer
x = 6,946,144.98
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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.