Finding the Fourth Proportional to 12,293,512.69, 16,967,268.21 and 7,332,271.99
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Solution
The fourth proportional to 12,293,512.69, 16,967,268.21 and 7,332,271.99 is: 10,119,859.85
Step by Step Solution
- Step 1: Write the proportion equation
12,293,512.69 : 16,967,268.21 = 7,332,271.99 : x - Step 2: Convert to fraction form
12,293,512.69/16,967,268.21 = 7,332,271.99/x - Step 3: Cross multiply
12,293,512.69x = 16,967,268.21 × 7,332,271.99 - Step 4: Simplify right side
12,293,512.69x = 124,408,625,443,000.45 - Step 5: Solve for x
x = 124,408,625,443,000.45/12,293,512.69 - Step 6: Final answer
x = 10,119,859.85
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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.