Finding the Fourth Proportional to 7,588,480.60, 11,390,415.69 and 6,729,428.62
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Solution
The fourth proportional to 7,588,480.60, 11,390,415.69 and 6,729,428.62 is: 10,100,966.63
Step by Step Solution
- Step 1: Write the proportion equation
7,588,480.60 : 11,390,415.69 = 6,729,428.62 : x - Step 2: Convert to fraction form
7,588,480.60/11,390,415.69 = 6,729,428.62/x - Step 3: Cross multiply
7,588,480.60x = 11,390,415.69 × 6,729,428.62 - Step 4: Simplify right side
7,588,480.60x = 76,650,989,337,983.05 - Step 5: Solve for x
x = 76,650,989,337,983.05/7,588,480.60 - Step 6: Final answer
x = 10,100,966.63
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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.