Finding the Fourth Proportional to 24,134,631.80, 36,201,947.70 and 21,489,236.60
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Solution
The fourth proportional to 24,134,631.80, 36,201,947.70 and 21,489,236.60 is: 32,233,854.90
Step by Step Solution
- Step 1: Write the proportion equation
24,134,631.80 : 36,201,947.70 = 21,489,236.60 : x - Step 2: Convert to fraction form
24,134,631.80/36,201,947.70 = 21,489,236.60/x - Step 3: Cross multiply
24,134,631.80x = 36,201,947.70 × 21,489,236.60 - Step 4: Simplify right side
24,134,631.80x = 777,952,219,506,126 - Step 5: Solve for x
x = 777,952,219,506,126/24,134,631.80 - Step 6: Final answer
x = 32,233,854.90
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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.