Finding the Fourth Proportional to 10,102,003.21, 15,152,961.07 and 2,528,947.09
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Solution
The fourth proportional to 10,102,003.21, 15,152,961.07 and 2,528,947.09 is: 3,793,409.68
Step by Step Solution
- Step 1: Write the proportion equation
10,102,003.21 : 15,152,961.07 = 2,528,947.09 : x - Step 2: Convert to fraction form
10,102,003.21/15,152,961.07 = 2,528,947.09/x - Step 3: Cross multiply
10,102,003.21x = 15,152,961.07 × 2,528,947.09 - Step 4: Simplify right side
10,102,003.21x = 38,321,036,802,859.78 - Step 5: Solve for x
x = 38,321,036,802,859.78/10,102,003.21 - Step 6: Final answer
x = 3,793,409.68
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1.5x scale
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.