Finding the Fourth Proportional to 8,731,541.97, 11,962,270.60 and 8,404,277.13
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Solution
The fourth proportional to 8,731,541.97, 11,962,270.60 and 8,404,277.13 is: 11,513,915.59
Step by Step Solution
- Step 1: Write the proportion equation
8,731,541.97 : 11,962,270.60 = 8,404,277.13 : x - Step 2: Convert to fraction form
8,731,541.97/11,962,270.60 = 8,404,277.13/x - Step 3: Cross multiply
8,731,541.97x = 11,962,270.60 × 8,404,277.13 - Step 4: Simplify right side
8,731,541.97x = 100,534,237,205,440.70 - Step 5: Solve for x
x = 100,534,237,205,440.70/8,731,541.97 - Step 6: Final answer
x = 11,513,915.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.