Finding the Fourth Proportional to 7,677,376.28, 11,514,812.67 and 2,559,848.56
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Solution
The fourth proportional to 7,677,376.28, 11,514,812.67 and 2,559,848.56 is: 3,839,355.47
Step by Step Solution
- Step 1: Write the proportion equation
7,677,376.28 : 11,514,812.67 = 2,559,848.56 : x - Step 2: Convert to fraction form
7,677,376.28/11,514,812.67 = 2,559,848.56/x - Step 3: Cross multiply
7,677,376.28x = 11,514,812.67 × 2,559,848.56 - Step 4: Simplify right side
7,677,376.28x = 29,476,176,631,969.25 - Step 5: Solve for x
x = 29,476,176,631,969.25/7,677,376.28 - Step 6: Final answer
x = 3,839,355.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.