Finding the Fourth Proportional to 14,379,349.31, 21,569,466.84 and 6,288,160.09
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Solution
The fourth proportional to 14,379,349.31, 21,569,466.84 and 6,288,160.09 is: 9,432,433.81
Step by Step Solution
- Step 1: Write the proportion equation
14,379,349.31 : 21,569,466.84 = 6,288,160.09 : x - Step 2: Convert to fraction form
14,379,349.31/21,569,466.84 = 6,288,160.09/x - Step 3: Cross multiply
14,379,349.31x = 21,569,466.84 × 6,288,160.09 - Step 4: Simplify right side
14,379,349.31x = 135,632,260,545,866.41 - Step 5: Solve for x
x = 135,632,260,545,866.41/14,379,349.31 - Step 6: Final answer
x = 9,432,433.81
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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.