Finding the Fourth Proportional to 39,474,324.80, 59,224,929.96 and 21,280,278.14
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Solution
The fourth proportional to 39,474,324.80, 59,224,929.96 and 21,280,278.14 is: 31,927,664.09
Step by Step Solution
- Step 1: Write the proportion equation
39,474,324.80 : 59,224,929.96 = 21,280,278.14 : x - Step 2: Convert to fraction form
39,474,324.80/59,224,929.96 = 21,280,278.14/x - Step 3: Cross multiply
39,474,324.80x = 59,224,929.96 × 21,280,278.14 - Step 4: Simplify right side
39,474,324.80x = 1,260,322,982,370,819.25 - Step 5: Solve for x
x = 1,260,322,982,370,819.25/39,474,324.80 - Step 6: Final answer
x = 31,927,664.09
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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.