Finding the Fourth Proportional to 14,220,738.40, 19,624,479.28 and 7,694,224.66
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Solution
The fourth proportional to 14,220,738.40, 19,624,479.28 and 7,694,224.66 is: 10,617,954.43
Step by Step Solution
- Step 1: Write the proportion equation
14,220,738.40 : 19,624,479.28 = 7,694,224.66 : x - Step 2: Convert to fraction form
14,220,738.40/19,624,479.28 = 7,694,224.66/x - Step 3: Cross multiply
14,220,738.40x = 19,624,479.28 × 7,694,224.66 - Step 4: Simplify right side
14,220,738.40x = 150,995,152,279,241.53 - Step 5: Solve for x
x = 150,995,152,279,241.53/14,220,738.40 - Step 6: Final answer
x = 10,617,954.43
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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.