Finding the Fourth Proportional to 14,463,478.94, 19,960,175.61 and 7,937,343.48
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Solution
The fourth proportional to 14,463,478.94, 19,960,175.61 and 7,937,343.48 is: 10,953,849.38
Step by Step Solution
- Step 1: Write the proportion equation
14,463,478.94 : 19,960,175.61 = 7,937,343.48 : x - Step 2: Convert to fraction form
14,463,478.94/19,960,175.61 = 7,937,343.48/x - Step 3: Cross multiply
14,463,478.94x = 19,960,175.61 × 7,937,343.48 - Step 4: Simplify right side
14,463,478.94x = 158,430,769,737,688.53 - Step 5: Solve for x
x = 158,430,769,737,688.53/14,463,478.94 - Step 6: Final answer
x = 10,953,849.38
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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.