Finding the Fourth Proportional to 8,820,459.12, 13,212,973.76 and 4,021,546.96
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Solution
The fourth proportional to 8,820,459.12, 13,212,973.76 and 4,021,546.96 is: 6,024,243.61
Step by Step Solution
- Step 1: Write the proportion equation
8,820,459.12 : 13,212,973.76 = 4,021,546.96 : x - Step 2: Convert to fraction form
8,820,459.12/13,212,973.76 = 4,021,546.96/x - Step 3: Cross multiply
8,820,459.12x = 13,212,973.76 × 4,021,546.96 - Step 4: Simplify right side
8,820,459.12x = 53,136,594,457,087.77 - Step 5: Solve for x
x = 53,136,594,457,087.77/8,820,459.12 - Step 6: Final answer
x = 6,024,243.61
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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.