Finding the Fourth Proportional to 8,768,747.97, 13,153,128.35 and 2,378,999.79
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Solution
The fourth proportional to 8,768,747.97, 13,153,128.35 and 2,378,999.79 is: 3,568,501.42
Step by Step Solution
- Step 1: Write the proportion equation
8,768,747.97 : 13,153,128.35 = 2,378,999.79 : x - Step 2: Convert to fraction form
8,768,747.97/13,153,128.35 = 2,378,999.79/x - Step 3: Cross multiply
8,768,747.97x = 13,153,128.35 × 2,378,999.79 - Step 4: Simplify right side
8,768,747.97x = 31,291,289,570,598.05 - Step 5: Solve for x
x = 31,291,289,570,598.05/8,768,747.97 - Step 6: Final answer
x = 3,568,501.42
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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.