Finding the Fourth Proportional to 18,338,285.44, 25,306,749.20 and 10,497,754.56
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Solution
The fourth proportional to 18,338,285.44, 25,306,749.20 and 10,497,754.56 is: 14,486,852.80
Step by Step Solution
- Step 1: Write the proportion equation
18,338,285.44 : 25,306,749.20 = 10,497,754.56 : x - Step 2: Convert to fraction form
18,338,285.44/25,306,749.20 = 10,497,754.56/x - Step 3: Cross multiply
18,338,285.44x = 25,306,749.20 × 10,497,754.56 - Step 4: Simplify right side
18,338,285.44x = 265,664,041,813,076.34 - Step 5: Solve for x
x = 265,664,041,813,076.34/18,338,285.44 - Step 6: Final answer
x = 14,486,852.80
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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.