Finding the Fourth Proportional to 8,005,485.96, 11,047,438.80 and 4,334,373.18
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Solution
The fourth proportional to 8,005,485.96, 11,047,438.80 and 4,334,373.18 is: 5,981,363.62
Step by Step Solution
- Step 1: Write the proportion equation
8,005,485.96 : 11,047,438.80 = 4,334,373.18 : x - Step 2: Convert to fraction form
8,005,485.96/11,047,438.80 = 4,334,373.18/x - Step 3: Cross multiply
8,005,485.96x = 11,047,438.80 × 4,334,373.18 - Step 4: Simplify right side
8,005,485.96x = 47,883,722,442,411.38 - Step 5: Solve for x
x = 47,883,722,442,411.38/8,005,485.96 - Step 6: Final answer
x = 5,981,363.62
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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.