Finding the Fourth Proportional to 35,593,431.24, 49,119,321.87 and 20,909,716.41
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Solution
The fourth proportional to 35,593,431.24, 49,119,321.87 and 20,909,716.41 is: 28,855,635.85
Step by Step Solution
- Step 1: Write the proportion equation
35,593,431.24 : 49,119,321.87 = 20,909,716.41 : x - Step 2: Convert to fraction form
35,593,431.24/49,119,321.87 = 20,909,716.41/x - Step 3: Cross multiply
35,593,431.24x = 49,119,321.87 × 20,909,716.41 - Step 4: Simplify right side
35,593,431.24x = 1,027,071,090,553,210.88 - Step 5: Solve for x
x = 1,027,071,090,553,210.88/35,593,431.24 - Step 6: Final answer
x = 28,855,635.85
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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.