Finding the Fourth Proportional to 32,081,056.40, 48,115,679.70 and 19,928,772.20
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Solution
The fourth proportional to 32,081,056.40, 48,115,679.70 and 19,928,772.20 is: 29,889,490.17
Step by Step Solution
- Step 1: Write the proportion equation
32,081,056.40 : 48,115,679.70 = 19,928,772.20 : x - Step 2: Convert to fraction form
32,081,056.40/48,115,679.70 = 19,928,772.20/x - Step 3: Cross multiply
32,081,056.40x = 48,115,679.70 × 19,928,772.20 - Step 4: Simplify right side
32,081,056.40x = 958,886,419,989,464.38 - Step 5: Solve for x
x = 958,886,419,989,464.38/32,081,056.40 - Step 6: Final answer
x = 29,889,490.17
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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.