Finding the Fourth Proportional to 8,909,110.20, 13,363,665.30 and 3,229,519.80
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Solution
The fourth proportional to 8,909,110.20, 13,363,665.30 and 3,229,519.80 is: 4,844,279.70
Step by Step Solution
- Step 1: Write the proportion equation
8,909,110.20 : 13,363,665.30 = 3,229,519.80 : x - Step 2: Convert to fraction form
8,909,110.20/13,363,665.30 = 3,229,519.80/x - Step 3: Cross multiply
8,909,110.20x = 13,363,665.30 × 3,229,519.80 - Step 4: Simplify right side
8,909,110.20x = 43,158,221,686,922.94 - Step 5: Solve for x
x = 43,158,221,686,922.94/8,909,110.20 - Step 6: Final answer
x = 4,844,279.70
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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.