Finding the Fourth Proportional to 19,684,592.84, 27,164,700.60 and 10,982,247.68
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Solution
The fourth proportional to 19,684,592.84, 27,164,700.60 and 10,982,247.68 is: 15,155,480.87
Step by Step Solution
- Step 1: Write the proportion equation
19,684,592.84 : 27,164,700.60 = 10,982,247.68 : x - Step 2: Convert to fraction form
19,684,592.84/27,164,700.60 = 10,982,247.68/x - Step 3: Cross multiply
19,684,592.84x = 27,164,700.60 × 10,982,247.68 - Step 4: Simplify right side
19,684,592.84x = 298,329,470,142,244.62 - Step 5: Solve for x
x = 298,329,470,142,244.62/19,684,592.84 - Step 6: Final answer
x = 15,155,480.87
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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.