Finding the Fourth Proportional to 42,098,782.08, 58,096,318.56 and 22,783,198.08
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Solution
The fourth proportional to 42,098,782.08, 58,096,318.56 and 22,783,198.08 is: 31,440,812.97
Step by Step Solution
- Step 1: Write the proportion equation
42,098,782.08 : 58,096,318.56 = 22,783,198.08 : x - Step 2: Convert to fraction form
42,098,782.08/58,096,318.56 = 22,783,198.08/x - Step 3: Cross multiply
42,098,782.08x = 58,096,318.56 × 22,783,198.08 - Step 4: Simplify right side
42,098,782.08x = 1,323,619,933,471,260.25 - Step 5: Solve for x
x = 1,323,619,933,471,260.25/42,098,782.08 - Step 6: Final answer
x = 31,440,812.97
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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.