Finding the Fourth Proportional to 11,453,459.84, 15,805,632.72 and 6,296,776.32
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Solution
The fourth proportional to 11,453,459.84, 15,805,632.72 and 6,296,776.32 is: 8,689,473.33
Step by Step Solution
- Step 1: Write the proportion equation
11,453,459.84 : 15,805,632.72 = 6,296,776.32 : x - Step 2: Convert to fraction form
11,453,459.84/15,805,632.72 = 6,296,776.32/x - Step 3: Cross multiply
11,453,459.84x = 15,805,632.72 × 6,296,776.32 - Step 4: Simplify right side
11,453,459.84x = 99,524,533,833,913.20 - Step 5: Solve for x
x = 99,524,533,833,913.20/11,453,459.84 - Step 6: Final answer
x = 8,689,473.33
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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.