Finding the Fourth Proportional to 6,603,006.80, 9,910,606.55 and 4,758,435.99
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Solution
The fourth proportional to 6,603,006.80, 9,910,606.55 and 4,758,435.99 is: 7,142,047.29
Step by Step Solution
- Step 1: Write the proportion equation
6,603,006.80 : 9,910,606.55 = 4,758,435.99 : x - Step 2: Convert to fraction form
6,603,006.80/9,910,606.55 = 4,758,435.99/x - Step 3: Cross multiply
6,603,006.80x = 9,910,606.55 × 4,758,435.99 - Step 4: Simplify right side
6,603,006.80x = 47,158,986,856,432.12 - Step 5: Solve for x
x = 47,158,986,856,432.12/6,603,006.80 - Step 6: Final answer
x = 7,142,047.29
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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.