Finding the Fourth Proportional to 10,754,689.40, 14,842,517.26 and 8,033,711.48
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Solution
The fourth proportional to 10,754,689.40, 14,842,517.26 and 8,033,711.48 is: 11,087,303.12
Step by Step Solution
- Step 1: Write the proportion equation
10,754,689.40 : 14,842,517.26 = 8,033,711.48 : x - Step 2: Convert to fraction form
10,754,689.40/14,842,517.26 = 8,033,711.48/x - Step 3: Cross multiply
10,754,689.40x = 14,842,517.26 × 8,033,711.48 - Step 4: Simplify right side
10,754,689.40x = 119,240,501,303,760.16 - Step 5: Solve for x
x = 119,240,501,303,760.16/10,754,689.40 - Step 6: Final answer
x = 11,087,303.12
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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.