Finding the Fourth Proportional to 14,223,245.43, 19,627,929.14 and 7,696,731.99
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Solution
The fourth proportional to 14,223,245.43, 19,627,929.14 and 7,696,731.99 is: 10,621,409.21
Step by Step Solution
- Step 1: Write the proportion equation
14,223,245.43 : 19,627,929.14 = 7,696,731.99 : x - Step 2: Convert to fraction form
14,223,245.43/19,627,929.14 = 7,696,731.99/x - Step 3: Cross multiply
14,223,245.43x = 19,627,929.14 × 7,696,731.99 - Step 4: Simplify right side
14,223,245.43x = 151,070,910,070,807.53 - Step 5: Solve for x
x = 151,070,910,070,807.53/14,223,245.43 - Step 6: Final answer
x = 10,621,409.21
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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.