Finding the Fourth Proportional to 38,076,482.75, 57,113,634.12 and 10,782,710.96
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Solution
The fourth proportional to 38,076,482.75, 57,113,634.12 and 10,782,710.96 is: 16,173,757.76
Step by Step Solution
- Step 1: Write the proportion equation
38,076,482.75 : 57,113,634.12 = 10,782,710.96 : x - Step 2: Convert to fraction form
38,076,482.75/57,113,634.12 = 10,782,710.96/x - Step 3: Cross multiply
38,076,482.75x = 57,113,634.12 × 10,782,710.96 - Step 4: Simplify right side
38,076,482.75x = 615,839,808,305,585.75 - Step 5: Solve for x
x = 615,839,808,305,585.75/38,076,482.75 - Step 6: Final answer
x = 16,173,757.76
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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.