Finding the Fourth Proportional to 26,323,246.40, 39,497,311.20 and 11,190,113.60
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Solution
The fourth proportional to 26,323,246.40, 39,497,311.20 and 11,190,113.60 is: 16,790,459.37
Step by Step Solution
- Step 1: Write the proportion equation
26,323,246.40 : 39,497,311.20 = 11,190,113.60 : x - Step 2: Convert to fraction form
26,323,246.40/39,497,311.20 = 11,190,113.60/x - Step 3: Cross multiply
26,323,246.40x = 39,497,311.20 × 11,190,113.60 - Step 4: Simplify right side
26,323,246.40x = 441,979,399,222,552.31 - Step 5: Solve for x
x = 441,979,399,222,552.31/26,323,246.40 - Step 6: Final answer
x = 16,790,459.37
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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.