Finding the Fourth Proportional to 22,995,464.88, 31,704,626.40 and 15,153,757.68
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Solution
The fourth proportional to 22,995,464.88, 31,704,626.40 and 15,153,757.68 is: 20,892,999.05
Step by Step Solution
- Step 1: Write the proportion equation
22,995,464.88 : 31,704,626.40 = 15,153,757.68 : x - Step 2: Convert to fraction form
22,995,464.88/31,704,626.40 = 15,153,757.68/x - Step 3: Cross multiply
22,995,464.88x = 31,704,626.40 × 15,153,757.68 - Step 4: Simplify right side
22,995,464.88x = 480,444,225,800,530.75 - Step 5: Solve for x
x = 480,444,225,800,530.75/22,995,464.88 - Step 6: Final answer
x = 20,892,999.05
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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.