Finding the Fourth Proportional to 9,176,469.47, 12,658,363.04 and 5,504,408.99
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Solution
The fourth proportional to 9,176,469.47, 12,658,363.04 and 5,504,408.99 is: 7,592,986.33
Step by Step Solution
- Step 1: Write the proportion equation
9,176,469.47 : 12,658,363.04 = 5,504,408.99 : x - Step 2: Convert to fraction form
9,176,469.47/12,658,363.04 = 5,504,408.99/x - Step 3: Cross multiply
9,176,469.47x = 12,658,363.04 × 5,504,408.99 - Step 4: Simplify right side
9,176,469.47x = 69,676,807,225,245.88 - Step 5: Solve for x
x = 69,676,807,225,245.88/9,176,469.47 - Step 6: Final answer
x = 7,592,986.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.