Finding the Fourth Proportional to 15,765,616.44, 21,756,582.18 and 8,522,272.44
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Solution
The fourth proportional to 15,765,616.44, 21,756,582.18 and 8,522,272.44 is: 11,760,752.99
Step by Step Solution
- Step 1: Write the proportion equation
15,765,616.44 : 21,756,582.18 = 8,522,272.44 : x - Step 2: Convert to fraction form
15,765,616.44/21,756,582.18 = 8,522,272.44/x - Step 3: Cross multiply
15,765,616.44x = 21,756,582.18 × 8,522,272.44 - Step 4: Simplify right side
15,765,616.44x = 185,415,520,701,209.09 - Step 5: Solve for x
x = 185,415,520,701,209.09/15,765,616.44 - Step 6: Final answer
x = 11,760,752.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.