Finding the Fourth Proportional to 31,861,635.54, 47,782,558.35 and 11,388,516.18
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Solution
The fourth proportional to 31,861,635.54, 47,782,558.35 and 11,388,516.18 is: 17,079,237.45
Step by Step Solution
- Step 1: Write the proportion equation
31,861,635.54 : 47,782,558.35 = 11,388,516.18 : x - Step 2: Convert to fraction form
31,861,635.54/47,782,558.35 = 11,388,516.18/x - Step 3: Cross multiply
31,861,635.54x = 47,782,558.35 × 11,388,516.18 - Step 4: Simplify right side
31,861,635.54x = 544,172,438,890,769.12 - Step 5: Solve for x
x = 544,172,438,890,769.12/31,861,635.54 - Step 6: Final answer
x = 17,079,237.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.