Finding the Fourth Proportional to 35,770,135.18, 49,373,491.12 and 20,889,473.19
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Solution
The fourth proportional to 35,770,135.18, 49,373,491.12 and 20,889,473.19 is: 28,833,724.39
Step by Step Solution
- Step 1: Write the proportion equation
35,770,135.18 : 49,373,491.12 = 20,889,473.19 : x - Step 2: Convert to fraction form
35,770,135.18/49,373,491.12 = 20,889,473.19/x - Step 3: Cross multiply
35,770,135.18x = 49,373,491.12 × 20,889,473.19 - Step 4: Simplify right side
35,770,135.18x = 1,031,386,219,047,943.12 - Step 5: Solve for x
x = 1,031,386,219,047,943.12/35,770,135.18 - Step 6: Final answer
x = 28,833,724.39
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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.