Finding the Fourth Proportional to 8,437,910.08, 11,644,318.20 and 4,570,419.28
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Solution
The fourth proportional to 8,437,910.08, 11,644,318.20 and 4,570,419.28 is: 6,307,179.85
Step by Step Solution
- Step 1: Write the proportion equation
8,437,910.08 : 11,644,318.20 = 4,570,419.28 : x - Step 2: Convert to fraction form
8,437,910.08/11,644,318.20 = 4,570,419.28/x - Step 3: Cross multiply
8,437,910.08x = 11,644,318.20 × 4,570,419.28 - Step 4: Simplify right side
8,437,910.08x = 53,219,416,403,734.90 - Step 5: Solve for x
x = 53,219,416,403,734.90/8,437,910.08 - Step 6: Final answer
x = 6,307,179.85
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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.