Finding the Fourth Proportional to 12,127,120.64, 16,735,323.84 and 6,694,496
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Solution
The fourth proportional to 12,127,120.64, 16,735,323.84 and 6,694,496 is: 9,238,347.82
Step by Step Solution
- Step 1: Write the proportion equation
12,127,120.64 : 16,735,323.84 = 6,694,496 : x - Step 2: Convert to fraction form
12,127,120.64/16,735,323.84 = 6,694,496/x - Step 3: Cross multiply
12,127,120.64x = 16,735,323.84 × 6,694,496 - Step 4: Simplify right side
12,127,120.64x = 112,034,558,505,584.64 - Step 5: Solve for x
x = 112,034,558,505,584.64/12,127,120.64 - Step 6: Final answer
x = 9,238,347.82
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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.