Finding the Fourth Proportional to 26,420,512.20, 39,630,768.30 and 24,507,324.60
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Solution
The fourth proportional to 26,420,512.20, 39,630,768.30 and 24,507,324.60 is: 36,760,986.90
Step by Step Solution
- Step 1: Write the proportion equation
26,420,512.20 : 39,630,768.30 = 24,507,324.60 : x - Step 2: Convert to fraction form
26,420,512.20/39,630,768.30 = 24,507,324.60/x - Step 3: Cross multiply
26,420,512.20x = 39,630,768.30 × 24,507,324.60 - Step 4: Simplify right side
26,420,512.20x = 971,244,102,875,490.12 - Step 5: Solve for x
x = 971,244,102,875,490.12/26,420,512.20 - Step 6: Final answer
x = 36,760,986.90
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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.