Finding the Fourth Proportional to 12,221,744.84, 16,861,836.58 and 7,573,833.99
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Solution
The fourth proportional to 12,221,744.84, 16,861,836.58 and 7,573,833.99 is: 10,449,305.95
Step by Step Solution
- Step 1: Write the proportion equation
12,221,744.84 : 16,861,836.58 = 7,573,833.99 : x - Step 2: Convert to fraction form
12,221,744.84/16,861,836.58 = 7,573,833.99/x - Step 3: Cross multiply
12,221,744.84x = 16,861,836.58 × 7,573,833.99 - Step 4: Simplify right side
12,221,744.84x = 127,708,751,023,429.34 - Step 5: Solve for x
x = 127,708,751,023,429.34/12,221,744.84 - Step 6: Final answer
x = 10,449,305.95
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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.