Finding the Fourth Proportional to 7,476,014.20, 11,214,021.30 and 4,074,791.80
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Solution
The fourth proportional to 7,476,014.20, 11,214,021.30 and 4,074,791.80 is: 6,112,187.70
Step by Step Solution
- Step 1: Write the proportion equation
7,476,014.20 : 11,214,021.30 = 4,074,791.80 : x - Step 2: Convert to fraction form
7,476,014.20/11,214,021.30 = 4,074,791.80/x - Step 3: Cross multiply
7,476,014.20x = 11,214,021.30 × 4,074,791.80 - Step 4: Simplify right side
7,476,014.20x = 45,694,802,038,265.34 - Step 5: Solve for x
x = 45,694,802,038,265.34/7,476,014.20 - Step 6: Final answer
x = 6,112,187.70
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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.