Finding the Fourth Proportional to 21,504,624.80, 32,256,937.20 and 8,731,248.80
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Solution
The fourth proportional to 21,504,624.80, 32,256,937.20 and 8,731,248.80 is: 13,096,873.20
Step by Step Solution
- Step 1: Write the proportion equation
21,504,624.80 : 32,256,937.20 = 8,731,248.80 : x - Step 2: Convert to fraction form
21,504,624.80/32,256,937.20 = 8,731,248.80/x - Step 3: Cross multiply
21,504,624.80x = 32,256,937.20 × 8,731,248.80 - Step 4: Simplify right side
21,504,624.80x = 281,643,344,219,175.38 - Step 5: Solve for x
x = 281,643,344,219,175.38/21,504,624.80 - Step 6: Final answer
x = 13,096,873.20
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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.