Finding the Fourth Proportional to 11,179,783.62, 15,427,037.86 and 6,534,657.59
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Solution
The fourth proportional to 11,179,783.62, 15,427,037.86 and 6,534,657.59 is: 9,017,205.82
Step by Step Solution
- Step 1: Write the proportion equation
11,179,783.62 : 15,427,037.86 = 6,534,657.59 : x - Step 2: Convert to fraction form
11,179,783.62/15,427,037.86 = 6,534,657.59/x - Step 3: Cross multiply
11,179,783.62x = 15,427,037.86 × 6,534,657.59 - Step 4: Simplify right side
11,179,783.62x = 100,810,409,949,594.52 - Step 5: Solve for x
x = 100,810,409,949,594.52/11,179,783.62 - Step 6: Final answer
x = 9,017,205.82
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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.