Finding the Fourth Proportional to 26,451,059.28, 39,616,181.54 and 12,627,741.63
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Solution
The fourth proportional to 26,451,059.28, 39,616,181.54 and 12,627,741.63 is: 18,912,773.95
Step by Step Solution
- Step 1: Write the proportion equation
26,451,059.28 : 39,616,181.54 = 12,627,741.63 : x - Step 2: Convert to fraction form
26,451,059.28/39,616,181.54 = 12,627,741.63/x - Step 3: Cross multiply
26,451,059.28x = 39,616,181.54 × 12,627,741.63 - Step 4: Simplify right side
26,451,059.28x = 500,262,904,854,295.56 - Step 5: Solve for x
x = 500,262,904,854,295.56/26,451,059.28 - Step 6: Final answer
x = 18,912,773.95
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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.