Finding the Fourth Proportional to 11,019,772.80, 16,537,532.40 and 4,634,607.60
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Solution
The fourth proportional to 11,019,772.80, 16,537,532.40 and 4,634,607.60 is: 6,955,222.65
Step by Step Solution
- Step 1: Write the proportion equation
11,019,772.80 : 16,537,532.40 = 4,634,607.60 : x - Step 2: Convert to fraction form
11,019,772.80/16,537,532.40 = 4,634,607.60/x - Step 3: Cross multiply
11,019,772.80x = 16,537,532.40 × 4,634,607.60 - Step 4: Simplify right side
11,019,772.80x = 76,644,973,346,286.23 - Step 5: Solve for x
x = 76,644,973,346,286.23/11,019,772.80 - Step 6: Final answer
x = 6,955,222.65
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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.