Finding the Fourth Proportional to 32,641,872.21, 48,961,036.44 and 9,920,997.99
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Solution
The fourth proportional to 32,641,872.21, 48,961,036.44 and 9,920,997.99 is: 14,880,958.45
Step by Step Solution
- Step 1: Write the proportion equation
32,641,872.21 : 48,961,036.44 = 9,920,997.99 : x - Step 2: Convert to fraction form
32,641,872.21/48,961,036.44 = 9,920,997.99/x - Step 3: Cross multiply
32,641,872.21x = 48,961,036.44 × 9,920,997.99 - Step 4: Simplify right side
32,641,872.21x = 485,742,344,109,556.75 - Step 5: Solve for x
x = 485,742,344,109,556.75/32,641,872.21 - Step 6: Final answer
x = 14,880,958.45
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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.