Finding the Fourth Proportional to 12,368,476.58, 17,068,491.08 and 6,786,759.75
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Solution
The fourth proportional to 12,368,476.58, 17,068,491.08 and 6,786,759.75 is: 9,365,724.83
Step by Step Solution
- Step 1: Write the proportion equation
12,368,476.58 : 17,068,491.08 = 6,786,759.75 : x - Step 2: Convert to fraction form
12,368,476.58/17,068,491.08 = 6,786,759.75/x - Step 3: Cross multiply
12,368,476.58x = 17,068,491.08 × 6,786,759.75 - Step 4: Simplify right side
12,368,476.58x = 115,839,748,182,487.73 - Step 5: Solve for x
x = 115,839,748,182,487.73/12,368,476.58 - Step 6: Final answer
x = 9,365,724.83
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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.