Finding the Fourth Proportional to 41,128,393.17, 61,324,890.99 and 39,998,416.75
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Solution
The fourth proportional to 41,128,393.17, 61,324,890.99 and 39,998,416.75 is: 59,640,028.64
Step by Step Solution
- Step 1: Write the proportion equation
41,128,393.17 : 61,324,890.99 = 39,998,416.75 : x - Step 2: Convert to fraction form
41,128,393.17/61,324,890.99 = 39,998,416.75/x - Step 3: Cross multiply
41,128,393.17x = 61,324,890.99 × 39,998,416.75 - Step 4: Simplify right side
41,128,393.17x = 2,452,898,546,663,034 - Step 5: Solve for x
x = 2,452,898,546,663,034/41,128,393.17 - Step 6: Final answer
x = 59,640,028.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.