Finding the Fourth Proportional to 14,220,738.21, 19,624,479.02 and 7,694,224.47
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Solution
The fourth proportional to 14,220,738.21, 19,624,479.02 and 7,694,224.47 is: 10,617,954.17
Step by Step Solution
- Step 1: Write the proportion equation
14,220,738.21 : 19,624,479.02 = 7,694,224.47 : x - Step 2: Convert to fraction form
14,220,738.21/19,624,479.02 = 7,694,224.47/x - Step 3: Cross multiply
14,220,738.21x = 19,624,479.02 × 7,694,224.47 - Step 4: Simplify right side
14,220,738.21x = 150,995,146,618,388.84 - Step 5: Solve for x
x = 150,995,146,618,388.84/14,220,738.21 - Step 6: Final answer
x = 10,617,954.17
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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.