Finding the Fourth Proportional to 24,138,213.60, 36,249,310.80 and 12,800,805.60
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Solution
The fourth proportional to 24,138,213.60, 36,249,310.80 and 12,800,805.60 is: 19,223,476.45
Step by Step Solution
- Step 1: Write the proportion equation
24,138,213.60 : 36,249,310.80 = 12,800,805.60 : x - Step 2: Convert to fraction form
24,138,213.60/36,249,310.80 = 12,800,805.60/x - Step 3: Cross multiply
24,138,213.60x = 36,249,310.80 × 12,800,805.60 - Step 4: Simplify right side
24,138,213.60x = 464,020,380,684,780.44 - Step 5: Solve for x
x = 464,020,380,684,780.44/24,138,213.60 - Step 6: Final answer
x = 19,223,476.45
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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.