Finding the Fourth Proportional to 9,990,441.36, 13,785,335.02 and 5,858,912.68
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Solution
The fourth proportional to 9,990,441.36, 13,785,335.02 and 5,858,912.68 is: 8,084,435.04
Step by Step Solution
- Step 1: Write the proportion equation
9,990,441.36 : 13,785,335.02 = 5,858,912.68 : x - Step 2: Convert to fraction form
9,990,441.36/13,785,335.02 = 5,858,912.68/x - Step 3: Cross multiply
9,990,441.36x = 13,785,335.02 × 5,858,912.68 - Step 4: Simplify right side
9,990,441.36x = 80,767,074,146,726.05 - Step 5: Solve for x
x = 80,767,074,146,726.05/9,990,441.36 - Step 6: Final answer
x = 8,084,435.04
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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.