Finding the Fourth Proportional to 23,192,129.19, 34,757,931.17 and 12,956,575.53
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Solution
The fourth proportional to 23,192,129.19, 34,757,931.17 and 12,956,575.53 is: 19,417,956.70
Step by Step Solution
- Step 1: Write the proportion equation
23,192,129.19 : 34,757,931.17 = 12,956,575.53 : x - Step 2: Convert to fraction form
23,192,129.19/34,757,931.17 = 12,956,575.53/x - Step 3: Cross multiply
23,192,129.19x = 34,757,931.17 × 12,956,575.53 - Step 4: Simplify right side
23,192,129.19x = 450,343,760,405,863.38 - Step 5: Solve for x
x = 450,343,760,405,863.38/23,192,129.19 - Step 6: Final answer
x = 19,417,956.70
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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.