Finding the Fourth Proportional to 19,928,245.80, 29,892,368.70 and 10,834,699.80
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Solution
The fourth proportional to 19,928,245.80, 29,892,368.70 and 10,834,699.80 is: 16,252,049.70
Step by Step Solution
- Step 1: Write the proportion equation
19,928,245.80 : 29,892,368.70 = 10,834,699.80 : x - Step 2: Convert to fraction form
19,928,245.80/29,892,368.70 = 10,834,699.80/x - Step 3: Cross multiply
19,928,245.80x = 29,892,368.70 × 10,834,699.80 - Step 4: Simplify right side
19,928,245.80x = 323,874,841,175,416.25 - Step 5: Solve for x
x = 323,874,841,175,416.25/19,928,245.80 - Step 6: Final answer
x = 16,252,049.70
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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.