Finding the Fourth Proportional to 8,928,648.93, 12,324,157.80 and 5,831,645.75
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Solution
The fourth proportional to 8,928,648.93, 12,324,157.80 and 5,831,645.75 is: 8,049,383.84
Step by Step Solution
- Step 1: Write the proportion equation
8,928,648.93 : 12,324,157.80 = 5,831,645.75 : x - Step 2: Convert to fraction form
8,928,648.93/12,324,157.80 = 5,831,645.75/x - Step 3: Cross multiply
8,928,648.93x = 12,324,157.80 × 5,831,645.75 - Step 4: Simplify right side
8,928,648.93x = 71,870,122,454,088.41 - Step 5: Solve for x
x = 71,870,122,454,088.41/8,928,648.93 - Step 6: Final answer
x = 8,049,383.84
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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.