Finding the Fourth Proportional to 10,253,407.36, 15,383,478.12 and 4,193,235.84
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Solution
The fourth proportional to 10,253,407.36, 15,383,478.12 and 4,193,235.84 is: 6,291,230.76
Step by Step Solution
- Step 1: Write the proportion equation
10,253,407.36 : 15,383,478.12 = 4,193,235.84 : x - Step 2: Convert to fraction form
10,253,407.36/15,383,478.12 = 4,193,235.84/x - Step 3: Cross multiply
10,253,407.36x = 15,383,478.12 × 4,193,235.84 - Step 4: Simplify right side
10,253,407.36x = 64,506,551,796,639.81 - Step 5: Solve for x
x = 64,506,551,796,639.81/10,253,407.36 - Step 6: Final answer
x = 6,291,230.76
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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.