Finding the Fourth Proportional to 48,782,432.19, 73,177,949.38 and 13,767,858.40
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Solution
The fourth proportional to 48,782,432.19, 73,177,949.38 and 13,767,858.40 is: 20,653,001.50
Step by Step Solution
- Step 1: Write the proportion equation
48,782,432.19 : 73,177,949.38 = 13,767,858.40 : x - Step 2: Convert to fraction form
48,782,432.19/73,177,949.38 = 13,767,858.40/x - Step 3: Cross multiply
48,782,432.19x = 73,177,949.38 × 13,767,858.40 - Step 4: Simplify right side
48,782,432.19x = 1,007,503,644,900,472.75 - Step 5: Solve for x
x = 1,007,503,644,900,472.75/48,782,432.19 - Step 6: Final answer
x = 20,653,001.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.