Finding the Fourth Proportional to 11,453,457.84, 15,805,629.96 and 6,296,774.32
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Solution
The fourth proportional to 11,453,457.84, 15,805,629.96 and 6,296,774.32 is: 8,689,470.57
Step by Step Solution
- Step 1: Write the proportion equation
11,453,457.84 : 15,805,629.96 = 6,296,774.32 : x - Step 2: Convert to fraction form
11,453,457.84/15,805,629.96 = 6,296,774.32/x - Step 3: Cross multiply
11,453,457.84x = 15,805,629.96 × 6,296,774.32 - Step 4: Simplify right side
11,453,457.84x = 99,524,484,843,550.64 - Step 5: Solve for x
x = 99,524,484,843,550.64/11,453,457.84 - Step 6: Final answer
x = 8,689,470.57
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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.