Finding the Fourth Proportional to 14,387,596.56, 19,855,022.70 and 7,861,225.41
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Solution
The fourth proportional to 14,387,596.56, 19,855,022.70 and 7,861,225.41 is: 10,848,567.26
Step by Step Solution
- Step 1: Write the proportion equation
14,387,596.56 : 19,855,022.70 = 7,861,225.41 : x - Step 2: Convert to fraction form
14,387,596.56/19,855,022.70 = 7,861,225.41/x - Step 3: Cross multiply
14,387,596.56x = 19,855,022.70 × 7,861,225.41 - Step 4: Simplify right side
14,387,596.56x = 156,084,808,965,366.81 - Step 5: Solve for x
x = 156,084,808,965,366.81/14,387,596.56 - Step 6: Final answer
x = 10,848,567.26
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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.