Finding the Fourth Proportional to 14,980,285.68, 20,672,787.24 and 8,455,283.70
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Solution
The fourth proportional to 14,980,285.68, 20,672,787.24 and 8,455,283.70 is: 11,668,287.56
Step by Step Solution
- Step 1: Write the proportion equation
14,980,285.68 : 20,672,787.24 = 8,455,283.70 : x - Step 2: Convert to fraction form
14,980,285.68/20,672,787.24 = 8,455,283.70/x - Step 3: Cross multiply
14,980,285.68x = 20,672,787.24 × 8,455,283.70 - Step 4: Simplify right side
14,980,285.68x = 174,794,280,983,939.97 - Step 5: Solve for x
x = 174,794,280,983,939.97/14,980,285.68 - Step 6: Final answer
x = 11,668,287.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.