Finding the Fourth Proportional to 11,781,516.96, 16,258,590.27 and 6,624,833.40
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Solution
The fourth proportional to 11,781,516.96, 16,258,590.27 and 6,624,833.40 is: 9,142,324.56
Step by Step Solution
- Step 1: Write the proportion equation
11,781,516.96 : 16,258,590.27 = 6,624,833.40 : x - Step 2: Convert to fraction form
11,781,516.96/16,258,590.27 = 6,624,833.40/x - Step 3: Cross multiply
11,781,516.96x = 16,258,590.27 × 6,624,833.40 - Step 4: Simplify right side
11,781,516.96x = 107,710,451,857,611.02 - Step 5: Solve for x
x = 107,710,451,857,611.02/11,781,516.96 - Step 6: Final answer
x = 9,142,324.56
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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.