Finding the Fourth Proportional to 8,134,410.80, 11,225,111.12 and 4,463,235.92
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Solution
The fourth proportional to 8,134,410.80, 11,225,111.12 and 4,463,235.92 is: 6,159,059.38
Step by Step Solution
- Step 1: Write the proportion equation
8,134,410.80 : 11,225,111.12 = 4,463,235.92 : x - Step 2: Convert to fraction form
8,134,410.80/11,225,111.12 = 4,463,235.92/x - Step 3: Cross multiply
8,134,410.80x = 11,225,111.12 × 4,463,235.92 - Step 4: Simplify right side
8,134,410.80x = 50,100,319,156,775.43 - Step 5: Solve for x
x = 50,100,319,156,775.43/8,134,410.80 - Step 6: Final answer
x = 6,159,059.38
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1.5x scale
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.