Finding the Fourth Proportional to 36,085,513.70, 54,128,270.55 and 9,159,169.70
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Solution
The fourth proportional to 36,085,513.70, 54,128,270.55 and 9,159,169.70 is: 13,738,754.55
Step by Step Solution
- Step 1: Write the proportion equation
36,085,513.70 : 54,128,270.55 = 9,159,169.70 : x - Step 2: Convert to fraction form
36,085,513.70/54,128,270.55 = 9,159,169.70/x - Step 3: Cross multiply
36,085,513.70x = 54,128,270.55 × 9,159,169.70 - Step 4: Simplify right side
36,085,513.70x = 495,770,015,534,962.25 - Step 5: Solve for x
x = 495,770,015,534,962.25/36,085,513.70 - Step 6: Final answer
x = 13,738,754.55
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1.5x scale
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.