Finding the Fourth Proportional to 27,128,288.44, 40,692,815.58 and 7,959,441.28
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Solution
The fourth proportional to 27,128,288.44, 40,692,815.58 and 7,959,441.28 is: 11,939,274.27
Step by Step Solution
- Step 1: Write the proportion equation
27,128,288.44 : 40,692,815.58 = 7,959,441.28 : x - Step 2: Convert to fraction form
27,128,288.44/40,692,815.58 = 7,959,441.28/x - Step 3: Cross multiply
27,128,288.44x = 40,692,815.58 × 7,959,441.28 - Step 4: Simplify right side
27,128,288.44x = 323,892,076,126,879.12 - Step 5: Solve for x
x = 323,892,076,126,879.12/27,128,288.44 - Step 6: Final answer
x = 11,939,274.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.