Finding the Fourth Proportional to 20,903,431.14, 31,355,135.10 and 6,527,730.96
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Solution
The fourth proportional to 20,903,431.14, 31,355,135.10 and 6,527,730.96 is: 9,791,592.81
Step by Step Solution
- Step 1: Write the proportion equation
20,903,431.14 : 31,355,135.10 = 6,527,730.96 : x - Step 2: Convert to fraction form
20,903,431.14/31,355,135.10 = 6,527,730.96/x - Step 3: Cross multiply
20,903,431.14x = 31,355,135.10 × 6,527,730.96 - Step 4: Simplify right side
20,903,431.14x = 204,677,886,147,252.72 - Step 5: Solve for x
x = 204,677,886,147,252.72/20,903,431.14 - Step 6: Final answer
x = 9,791,592.81
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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.