Finding the Fourth Proportional to 11,246,836.40, 15,520,606.24 and 6,090,197.68
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Solution
The fourth proportional to 11,246,836.40, 15,520,606.24 and 6,090,197.68 is: 8,404,457.64
Step by Step Solution
- Step 1: Write the proportion equation
11,246,836.40 : 15,520,606.24 = 6,090,197.68 : x - Step 2: Convert to fraction form
11,246,836.40/15,520,606.24 = 6,090,197.68/x - Step 3: Cross multiply
11,246,836.40x = 15,520,606.24 × 6,090,197.68 - Step 4: Simplify right side
11,246,836.40x = 94,523,560,115,041.52 - Step 5: Solve for x
x = 94,523,560,115,041.52/11,246,836.40 - Step 6: Final answer
x = 8,404,457.64
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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.