Finding the Fourth Proportional to 14,747,585.49, 20,352,879.48 and 8,133,467.50
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Solution
The fourth proportional to 14,747,585.49, 20,352,879.48 and 8,133,467.50 is: 11,224,853.30
Step by Step Solution
- Step 1: Write the proportion equation
14,747,585.49 : 20,352,879.48 = 8,133,467.50 : x - Step 2: Convert to fraction form
14,747,585.49/20,352,879.48 = 8,133,467.50/x - Step 3: Cross multiply
14,747,585.49x = 20,352,879.48 × 8,133,467.50 - Step 4: Simplify right side
14,747,585.49x = 165,539,483,659,898.84 - Step 5: Solve for x
x = 165,539,483,659,898.84/14,747,585.49 - Step 6: Final answer
x = 11,224,853.30
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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.