Finding the Fourth Proportional to 26,171,771.86, 39,239,478.30 and 11,590,745.79
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Solution
The fourth proportional to 26,171,771.86, 39,239,478.30 and 11,590,745.79 is: 17,378,067.50
Step by Step Solution
- Step 1: Write the proportion equation
26,171,771.86 : 39,239,478.30 = 11,590,745.79 : x - Step 2: Convert to fraction form
26,171,771.86/39,239,478.30 = 11,590,745.79/x - Step 3: Cross multiply
26,171,771.86x = 39,239,478.30 × 11,590,745.79 - Step 4: Simplify right side
26,171,771.86x = 454,814,818,098,134.69 - Step 5: Solve for x
x = 454,814,818,098,134.69/26,171,771.86 - Step 6: Final answer
x = 17,378,067.50
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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.