Finding the Fourth Proportional to 14,463,601.68, 19,960,012.81 and 7,937,838.34
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Solution
The fourth proportional to 14,463,601.68, 19,960,012.81 and 7,937,838.34 is: 10,954,349.99
Step by Step Solution
- Step 1: Write the proportion equation
14,463,601.68 : 19,960,012.81 = 7,937,838.34 : x - Step 2: Convert to fraction form
14,463,601.68/19,960,012.81 = 7,937,838.34/x - Step 3: Cross multiply
14,463,601.68x = 19,960,012.81 × 7,937,838.34 - Step 4: Simplify right side
14,463,601.68x = 158,439,354,910,131.41 - Step 5: Solve for x
x = 158,439,354,910,131.41/14,463,601.68 - Step 6: Final answer
x = 10,954,349.99
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1.5x scale
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.