Finding the Fourth Proportional to 35,719,403.05, 49,313,907.30 and 22,499,911.99
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Solution
The fourth proportional to 35,719,403.05, 49,313,907.30 and 22,499,911.99 is: 31,063,189.17
Step by Step Solution
- Step 1: Write the proportion equation
35,719,403.05 : 49,313,907.30 = 22,499,911.99 : x - Step 2: Convert to fraction form
35,719,403.05/49,313,907.30 = 22,499,911.99/x - Step 3: Cross multiply
35,719,403.05x = 49,313,907.30 × 22,499,911.99 - Step 4: Simplify right side
35,719,403.05x = 1,109,558,574,133,018.38 - Step 5: Solve for x
x = 1,109,558,574,133,018.38/35,719,403.05 - Step 6: Final answer
x = 31,063,189.17
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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.