Finding the Fourth Proportional to 26,121,526.20, 39,149,630.10 and 13,347,113.40
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Solution
The fourth proportional to 26,121,526.20, 39,149,630.10 and 13,347,113.40 is: 20,003,982.48
Step by Step Solution
- Step 1: Write the proportion equation
26,121,526.20 : 39,149,630.10 = 13,347,113.40 : x - Step 2: Convert to fraction form
26,121,526.20/39,149,630.10 = 13,347,113.40/x - Step 3: Cross multiply
26,121,526.20x = 39,149,630.10 × 13,347,113.40 - Step 4: Simplify right side
26,121,526.20x = 522,534,552,512,753.38 - Step 5: Solve for x
x = 522,534,552,512,753.38/26,121,526.20 - Step 6: Final answer
x = 20,003,982.48
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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.