Finding the Fourth Proportional to 7,320,127.75, 10,101,777.23 and 4,057,153.13
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Solution
The fourth proportional to 7,320,127.75, 10,101,777.23 and 4,057,153.13 is: 5,598,871.84
Step by Step Solution
- Step 1: Write the proportion equation
7,320,127.75 : 10,101,777.23 = 4,057,153.13 : x - Step 2: Convert to fraction form
7,320,127.75/10,101,777.23 = 4,057,153.13/x - Step 3: Cross multiply
7,320,127.75x = 10,101,777.23 × 4,057,153.13 - Step 4: Simplify right side
7,320,127.75x = 40,984,457,085,832.06 - Step 5: Solve for x
x = 40,984,457,085,832.06/7,320,127.75 - Step 6: Final answer
x = 5,598,871.84
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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.