Finding the Fourth Proportional to 11,376,515.40, 17,029,343.70 and 6,569,926.80
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Solution
The fourth proportional to 11,376,515.40, 17,029,343.70 and 6,569,926.80 is: 9,834,429.76
Step by Step Solution
- Step 1: Write the proportion equation
11,376,515.40 : 17,029,343.70 = 6,569,926.80 : x - Step 2: Convert to fraction form
11,376,515.40/17,029,343.70 = 6,569,926.80/x - Step 3: Cross multiply
11,376,515.40x = 17,029,343.70 × 6,569,926.80 - Step 4: Simplify right side
11,376,515.40x = 111,881,541,561,041.16 - Step 5: Solve for x
x = 111,881,541,561,041.16/11,376,515.40 - Step 6: Final answer
x = 9,834,429.76
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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.