Finding the Fourth Proportional to 11,014,059.84, 15,201,589.32 and 7,037,789.28
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Solution
The fourth proportional to 11,014,059.84, 15,201,589.32 and 7,037,789.28 is: 9,713,546.50
Step by Step Solution
- Step 1: Write the proportion equation
11,014,059.84 : 15,201,589.32 = 7,037,789.28 : x - Step 2: Convert to fraction form
11,014,059.84/15,201,589.32 = 7,037,789.28/x - Step 3: Cross multiply
11,014,059.84x = 15,201,589.32 × 7,037,789.28 - Step 4: Simplify right side
11,014,059.84x = 106,985,582,355,258.50 - Step 5: Solve for x
x = 106,985,582,355,258.50/11,014,059.84 - Step 6: Final answer
x = 9,713,546.50
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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.