Finding the Fourth Proportional to 12,492,408.96, 17,237,617.92 and 7,057,918.08
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Solution
The fourth proportional to 12,492,408.96, 17,237,617.92 and 7,057,918.08 is: 9,738,849.85
Step by Step Solution
- Step 1: Write the proportion equation
12,492,408.96 : 17,237,617.92 = 7,057,918.08 : x - Step 2: Convert to fraction form
12,492,408.96/17,237,617.92 = 7,057,918.08/x - Step 3: Cross multiply
12,492,408.96x = 17,237,617.92 × 7,057,918.08 - Step 4: Simplify right side
12,492,408.96x = 121,661,695,173,700 - Step 5: Solve for x
x = 121,661,695,173,700/12,492,408.96 - Step 6: Final answer
x = 9,738,849.85
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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.