Finding the Fourth Proportional to 11,842,685.96, 16,342,931.06 and 6,410,177.96
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Solution
The fourth proportional to 11,842,685.96, 16,342,931.06 and 6,410,177.96 is: 8,846,058.81
Step by Step Solution
- Step 1: Write the proportion equation
11,842,685.96 : 16,342,931.06 = 6,410,177.96 : x - Step 2: Convert to fraction form
11,842,685.96/16,342,931.06 = 6,410,177.96/x - Step 3: Cross multiply
11,842,685.96x = 16,342,931.06 × 6,410,177.96 - Step 4: Simplify right side
11,842,685.96x = 104,761,096,482,611.44 - Step 5: Solve for x
x = 104,761,096,482,611.44/11,842,685.96 - Step 6: Final answer
x = 8,846,058.81
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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.