Finding the Fourth Proportional to 45,654,442.12, 63,009,861.20 and 28,910,709.99
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Solution
The fourth proportional to 45,654,442.12, 63,009,861.20 and 28,910,709.99 is: 39,901,042.24
Step by Step Solution
- Step 1: Write the proportion equation
45,654,442.12 : 63,009,861.20 = 28,910,709.99 : x - Step 2: Convert to fraction form
45,654,442.12/63,009,861.20 = 28,910,709.99/x - Step 3: Cross multiply
45,654,442.12x = 63,009,861.20 × 28,910,709.99 - Step 4: Simplify right side
45,654,442.12x = 1,821,659,823,663,353.25 - Step 5: Solve for x
x = 1,821,659,823,663,353.25/45,654,442.12 - Step 6: Final answer
x = 39,901,042.24
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.