Finding the Fourth Proportional to 26,416,343.70, 39,628,452.69 and 9,375,589.62
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Solution
The fourth proportional to 26,416,343.70, 39,628,452.69 and 9,375,589.62 is: 14,064,781.78
Step by Step Solution
- Step 1: Write the proportion equation
26,416,343.70 : 39,628,452.69 = 9,375,589.62 : x - Step 2: Convert to fraction form
26,416,343.70/39,628,452.69 = 9,375,589.62/x - Step 3: Cross multiply
26,416,343.70x = 39,628,452.69 × 9,375,589.62 - Step 4: Simplify right side
26,416,343.70x = 371,540,109,697,025 - Step 5: Solve for x
x = 371,540,109,697,025/26,416,343.70 - Step 6: Final answer
x = 14,064,781.78
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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.