Finding the Fourth Proportional to 12,734,764.16, 17,573,087.36 and 7,228,251.84
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Solution
The fourth proportional to 12,734,764.16, 17,573,087.36 and 7,228,251.84 is: 9,974,483.98
Step by Step Solution
- Step 1: Write the proportion equation
12,734,764.16 : 17,573,087.36 = 7,228,251.84 : x - Step 2: Convert to fraction form
12,734,764.16/17,573,087.36 = 7,228,251.84/x - Step 3: Cross multiply
12,734,764.16x = 17,573,087.36 × 7,228,251.84 - Step 4: Simplify right side
12,734,764.16x = 127,022,701,044,400.73 - Step 5: Solve for x
x = 127,022,701,044,400.73/12,734,764.16 - Step 6: Final answer
x = 9,974,483.98
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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.