Finding the Fourth Proportional to 19,123,753, 28,691,247.68 and 5,660,930.92
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Solution
The fourth proportional to 19,123,753, 28,691,247.68 and 5,660,930.92 is: 8,493,059.45
Step by Step Solution
- Step 1: Write the proportion equation
19,123,753 : 28,691,247.68 = 5,660,930.92 : x - Step 2: Convert to fraction form
19,123,753/28,691,247.68 = 5,660,930.92/x - Step 3: Cross multiply
19,123,753x = 28,691,247.68 × 5,660,930.92 - Step 4: Simplify right side
19,123,753x = 162,419,171,125,090.25 - Step 5: Solve for x
x = 162,419,171,125,090.25/19,123,753 - Step 6: Final answer
x = 8,493,059.45
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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.