Finding the Fourth Proportional to 8,047,450.62, 11,134,725.08 and 7,017,106.92
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Solution
The fourth proportional to 8,047,450.62, 11,134,725.08 and 7,017,106.92 is: 9,709,106.66
Step by Step Solution
- Step 1: Write the proportion equation
8,047,450.62 : 11,134,725.08 = 7,017,106.92 : x - Step 2: Convert to fraction form
8,047,450.62/11,134,725.08 = 7,017,106.92/x - Step 3: Cross multiply
8,047,450.62x = 11,134,725.08 × 7,017,106.92 - Step 4: Simplify right side
8,047,450.62x = 78,133,556,411,165.55 - Step 5: Solve for x
x = 78,133,556,411,165.55/8,047,450.62 - Step 6: Final answer
x = 9,709,106.66
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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.