Finding the Fourth Proportional to 7,954,266.20, 11,929,221.73 and 2,195,623.19
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Solution
The fourth proportional to 7,954,266.20, 11,929,221.73 and 2,195,623.19 is: 3,292,833.70
Step by Step Solution
- Step 1: Write the proportion equation
7,954,266.20 : 11,929,221.73 = 2,195,623.19 : x - Step 2: Convert to fraction form
7,954,266.20/11,929,221.73 = 2,195,623.19/x - Step 3: Cross multiply
7,954,266.20x = 11,929,221.73 × 2,195,623.19 - Step 4: Simplify right side
7,954,266.20x = 26,192,075,798,415.70 - Step 5: Solve for x
x = 26,192,075,798,415.70/7,954,266.20 - Step 6: Final answer
x = 3,292,833.70
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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.