Finding the Fourth Proportional to 11,264,501.92, 15,545,318.31 and 6,370,455.86
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Solution
The fourth proportional to 11,264,501.92, 15,545,318.31 and 6,370,455.86 is: 8,791,401.95
Step by Step Solution
- Step 1: Write the proportion equation
11,264,501.92 : 15,545,318.31 = 6,370,455.86 : x - Step 2: Convert to fraction form
11,264,501.92/15,545,318.31 = 6,370,455.86/x - Step 3: Cross multiply
11,264,501.92x = 15,545,318.31 × 6,370,455.86 - Step 4: Simplify right side
11,264,501.92x = 99,030,764,123,504.81 - Step 5: Solve for x
x = 99,030,764,123,504.81/11,264,501.92 - Step 6: Final answer
x = 8,791,401.95
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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.