Finding the Fourth Proportional to 10,099,896.28, 13,937,641.26 and 5,516,236.12
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Solution
The fourth proportional to 10,099,896.28, 13,937,641.26 and 5,516,236.12 is: 7,612,288.09
Step by Step Solution
- Step 1: Write the proportion equation
10,099,896.28 : 13,937,641.26 = 5,516,236.12 : x - Step 2: Convert to fraction form
10,099,896.28/13,937,641.26 = 5,516,236.12/x - Step 3: Cross multiply
10,099,896.28x = 13,937,641.26 × 5,516,236.12 - Step 4: Simplify right side
10,099,896.28x = 76,883,320,146,014.31 - Step 5: Solve for x
x = 76,883,320,146,014.31/10,099,896.28 - Step 6: Final answer
x = 7,612,288.09
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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.