Finding the Fourth Proportional to 11,395,700.68, 15,726,059.40 and 6,239,060.88
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Solution
The fourth proportional to 11,395,700.68, 15,726,059.40 and 6,239,060.88 is: 8,609,899.89
Step by Step Solution
- Step 1: Write the proportion equation
11,395,700.68 : 15,726,059.40 = 6,239,060.88 : x - Step 2: Convert to fraction form
11,395,700.68/15,726,059.40 = 6,239,060.88/x - Step 3: Cross multiply
11,395,700.68x = 15,726,059.40 × 6,239,060.88 - Step 4: Simplify right side
11,395,700.68x = 98,115,841,999,096.27 - Step 5: Solve for x
x = 98,115,841,999,096.27/11,395,700.68 - Step 6: Final answer
x = 8,609,899.89
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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.