Finding the Fourth Proportional to 11,584,101.12, 15,985,815.36 and 6,427,351.68
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Solution
The fourth proportional to 11,584,101.12, 15,985,815.36 and 6,427,351.68 is: 8,869,609.83
Step by Step Solution
- Step 1: Write the proportion equation
11,584,101.12 : 15,985,815.36 = 6,427,351.68 : x - Step 2: Convert to fraction form
11,584,101.12/15,985,815.36 = 6,427,351.68/x - Step 3: Cross multiply
11,584,101.12x = 15,985,815.36 × 6,427,351.68 - Step 4: Simplify right side
11,584,101.12x = 102,746,457,210,265.80 - Step 5: Solve for x
x = 102,746,457,210,265.80/11,584,101.12 - Step 6: Final answer
x = 8,869,609.83
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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.