Finding the Fourth Proportional to 7,129,922.44, 9,839,226 and 3,866,809.18
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Solution
The fourth proportional to 7,129,922.44, 9,839,226 and 3,866,809.18 is: 5,336,160.35
Step by Step Solution
- Step 1: Write the proportion equation
7,129,922.44 : 9,839,226 = 3,866,809.18 : x - Step 2: Convert to fraction form
7,129,922.44/9,839,226 = 3,866,809.18/x - Step 3: Cross multiply
7,129,922.44x = 9,839,226 × 3,866,809.18 - Step 4: Simplify right side
7,129,922.44x = 38,046,409,420,894.68 - Step 5: Solve for x
x = 38,046,409,420,894.68/7,129,922.44 - Step 6: Final answer
x = 5,336,160.35
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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.