Finding the Fourth Proportional to 11,900,733.84, 16,423,359.12 and 6,743,923.92
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Solution
The fourth proportional to 11,900,733.84, 16,423,359.12 and 6,743,923.92 is: 9,306,811.32
Step by Step Solution
- Step 1: Write the proportion equation
11,900,733.84 : 16,423,359.12 = 6,743,923.92 : x - Step 2: Convert to fraction form
11,900,733.84/16,423,359.12 = 6,743,923.92/x - Step 3: Cross multiply
11,900,733.84x = 16,423,359.12 × 6,743,923.92 - Step 4: Simplify right side
11,900,733.84x = 110,757,884,416,118.14 - Step 5: Solve for x
x = 110,757,884,416,118.14/11,900,733.84 - Step 6: Final answer
x = 9,306,811.32
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1.5x scale
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.