Finding the Fourth Proportional to 8,447,678.56, 12,672,782.34 and 3,057,590.08
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Solution
The fourth proportional to 8,447,678.56, 12,672,782.34 and 3,057,590.08 is: 4,586,842.80
Step by Step Solution
- Step 1: Write the proportion equation
8,447,678.56 : 12,672,782.34 = 3,057,590.08 : x - Step 2: Convert to fraction form
8,447,678.56/12,672,782.34 = 3,057,590.08/x - Step 3: Cross multiply
8,447,678.56x = 12,672,782.34 × 3,057,590.08 - Step 4: Simplify right side
8,447,678.56x = 38,748,173,568,783.19 - Step 5: Solve for x
x = 38,748,173,568,783.19/8,447,678.56 - Step 6: Final answer
x = 4,586,842.80
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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.