Finding the Fourth Proportional to 24,916,207.20, 37,367,312.40 and 7,882,101.60
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Solution
The fourth proportional to 24,916,207.20, 37,367,312.40 and 7,882,101.60 is: 11,820,938.50
Step by Step Solution
- Step 1: Write the proportion equation
24,916,207.20 : 37,367,312.40 = 7,882,101.60 : x - Step 2: Convert to fraction form
24,916,207.20/37,367,312.40 = 7,882,101.60/x - Step 3: Cross multiply
24,916,207.20x = 37,367,312.40 × 7,882,101.60 - Step 4: Simplify right side
24,916,207.20x = 294,532,952,855,739.81 - Step 5: Solve for x
x = 294,532,952,855,739.81/24,916,207.20 - Step 6: Final answer
x = 11,820,938.50
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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.