Finding the Fourth Proportional to 38,456,998.68, 53,106,631.74 and 24,729,812.76
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Solution
The fourth proportional to 38,456,998.68, 53,106,631.74 and 24,729,812.76 is: 34,150,274.44
Step by Step Solution
- Step 1: Write the proportion equation
38,456,998.68 : 53,106,631.74 = 24,729,812.76 : x - Step 2: Convert to fraction form
38,456,998.68/53,106,631.74 = 24,729,812.76/x - Step 3: Cross multiply
38,456,998.68x = 53,106,631.74 × 24,729,812.76 - Step 4: Simplify right side
38,456,998.68x = 1,313,317,059,244,473.25 - Step 5: Solve for x
x = 1,313,317,059,244,473.25/38,456,998.68 - Step 6: Final answer
x = 34,150,274.44
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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.