Finding the Fourth Proportional to 11,251,587.60, 16,888,469.40 and 8,016,718.08
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Solution
The fourth proportional to 11,251,587.60, 16,888,469.40 and 8,016,718.08 is: 12,032,977.28
Step by Step Solution
- Step 1: Write the proportion equation
11,251,587.60 : 16,888,469.40 = 8,016,718.08 : x - Step 2: Convert to fraction form
11,251,587.60/16,888,469.40 = 8,016,718.08/x - Step 3: Cross multiply
11,251,587.60x = 16,888,469.40 × 8,016,718.08 - Step 4: Simplify right side
11,251,587.60x = 135,390,097,982,506.73 - Step 5: Solve for x
x = 135,390,097,982,506.73/11,251,587.60 - Step 6: Final answer
x = 12,032,977.28
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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.