Finding the Fourth Proportional to 11,046,282.84, 15,240,790.44 and 7,124,379.48
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Solution
The fourth proportional to 11,046,282.84, 15,240,790.44 and 7,124,379.48 is: 9,829,657.29
Step by Step Solution
- Step 1: Write the proportion equation
11,046,282.84 : 15,240,790.44 = 7,124,379.48 : x - Step 2: Convert to fraction form
11,046,282.84/15,240,790.44 = 7,124,379.48/x - Step 3: Cross multiply
11,046,282.84x = 15,240,790.44 × 7,124,379.48 - Step 4: Simplify right side
11,046,282.84x = 108,581,174,669,716.17 - Step 5: Solve for x
x = 108,581,174,669,716.17/11,046,282.84 - Step 6: Final answer
x = 9,829,657.29
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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.