Finding the Fourth Proportional to 10,617,573.36, 15,848,847.73 and 9,110,938.13
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Solution
The fourth proportional to 10,617,573.36, 15,848,847.73 and 9,110,938.13 is: 13,599,893.89
Step by Step Solution
- Step 1: Write the proportion equation
10,617,573.36 : 15,848,847.73 = 9,110,938.13 : x - Step 2: Convert to fraction form
10,617,573.36/15,848,847.73 = 9,110,938.13/x - Step 3: Cross multiply
10,617,573.36x = 15,848,847.73 × 9,110,938.13 - Step 4: Simplify right side
10,617,573.36x = 144,397,871,099,820.97 - Step 5: Solve for x
x = 144,397,871,099,820.97/10,617,573.36 - Step 6: Final answer
x = 13,599,893.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.