Finding the Fourth Proportional to 14,223,614.28, 19,628,637.26 and 7,697,242.08
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Solution
The fourth proportional to 14,223,614.28, 19,628,637.26 and 7,697,242.08 is: 10,622,220.89
Step by Step Solution
- Step 1: Write the proportion equation
14,223,614.28 : 19,628,637.26 = 7,697,242.08 : x - Step 2: Convert to fraction form
14,223,614.28/19,628,637.26 = 7,697,242.08/x - Step 3: Cross multiply
14,223,614.28x = 19,628,637.26 × 7,697,242.08 - Step 4: Simplify right side
14,223,614.28x = 151,086,372,652,241.69 - Step 5: Solve for x
x = 151,086,372,652,241.69/14,223,614.28 - Step 6: Final answer
x = 10,622,220.89
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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.