Finding the Fourth Proportional to 12,060,391.97, 16,643,444.93 and 6,553,765.73
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Solution
The fourth proportional to 12,060,391.97, 16,643,444.93 and 6,553,765.73 is: 9,044,253.23
Step by Step Solution
- Step 1: Write the proportion equation
12,060,391.97 : 16,643,444.93 = 6,553,765.73 : x - Step 2: Convert to fraction form
12,060,391.97/16,643,444.93 = 6,553,765.73/x - Step 3: Cross multiply
12,060,391.97x = 16,643,444.93 × 6,553,765.73 - Step 4: Simplify right side
12,060,391.97x = 109,077,239,011,376.25 - Step 5: Solve for x
x = 109,077,239,011,376.25/12,060,391.97 - Step 6: Final answer
x = 9,044,253.23
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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.