Finding the Fourth Proportional to 11,070,811.20, 16,608,549.60 and 4,677,772.80
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Solution
The fourth proportional to 11,070,811.20, 16,608,549.60 and 4,677,772.80 is: 7,017,644.88
Step by Step Solution
- Step 1: Write the proportion equation
11,070,811.20 : 16,608,549.60 = 4,677,772.80 : x - Step 2: Convert to fraction form
11,070,811.20/16,608,549.60 = 4,677,772.80/x - Step 3: Cross multiply
11,070,811.20x = 16,608,549.60 × 4,677,772.80 - Step 4: Simplify right side
11,070,811.20x = 77,691,021,566,330.88 - Step 5: Solve for x
x = 77,691,021,566,330.88/11,070,811.20 - Step 6: Final answer
x = 7,017,644.88
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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.