Finding the Fourth Proportional to 19,624,136.68, 27,081,037.56 and 10,922,312.35
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Solution
The fourth proportional to 19,624,136.68, 27,081,037.56 and 10,922,312.35 is: 15,072,640.18
Step by Step Solution
- Step 1: Write the proportion equation
19,624,136.68 : 27,081,037.56 = 10,922,312.35 : x - Step 2: Convert to fraction form
19,624,136.68/27,081,037.56 = 10,922,312.35/x - Step 3: Cross multiply
19,624,136.68x = 27,081,037.56 × 10,922,312.35 - Step 4: Simplify right side
19,624,136.68x = 295,787,550,992,401.81 - Step 5: Solve for x
x = 295,787,550,992,401.81/19,624,136.68 - Step 6: Final answer
x = 15,072,640.18
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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.