Finding the Fourth Proportional to 16,244,154.99, 22,416,960.20 and 8,900,821.35
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Solution
The fourth proportional to 16,244,154.99, 22,416,960.20 and 8,900,821.35 is: 12,283,147.88
Step by Step Solution
- Step 1: Write the proportion equation
16,244,154.99 : 22,416,960.20 = 8,900,821.35 : x - Step 2: Convert to fraction form
16,244,154.99/22,416,960.20 = 8,900,821.35/x - Step 3: Cross multiply
16,244,154.99x = 22,416,960.20 × 8,900,821.35 - Step 4: Simplify right side
16,244,154.99x = 199,529,357,905,756.16 - Step 5: Solve for x
x = 199,529,357,905,756.16/16,244,154.99 - Step 6: Final answer
x = 12,283,147.88
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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.