Finding the Fourth Proportional to 26,520,879.96, 39,781,330.97 and 11,930,757.66
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Solution
The fourth proportional to 26,520,879.96, 39,781,330.97 and 11,930,757.66 is: 17,896,141.45
Step by Step Solution
- Step 1: Write the proportion equation
26,520,879.96 : 39,781,330.97 = 11,930,757.66 : x - Step 2: Convert to fraction form
26,520,879.96/39,781,330.97 = 11,930,757.66/x - Step 3: Cross multiply
26,520,879.96x = 39,781,330.97 × 11,930,757.66 - Step 4: Simplify right side
26,520,879.96x = 474,621,419,135,669 - Step 5: Solve for x
x = 474,621,419,135,669/26,520,879.96 - Step 6: Final answer
x = 17,896,141.45
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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.