Finding the Fourth Proportional to 26,186,321.60, 39,277,058.84 and 12,350,107.80
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Solution
The fourth proportional to 26,186,321.60, 39,277,058.84 and 12,350,107.80 is: 18,524,018.69
Step by Step Solution
- Step 1: Write the proportion equation
26,186,321.60 : 39,277,058.84 = 12,350,107.80 : x - Step 2: Convert to fraction form
26,186,321.60/39,277,058.84 = 12,350,107.80/x - Step 3: Cross multiply
26,186,321.60x = 39,277,058.84 × 12,350,107.80 - Step 4: Simplify right side
26,186,321.60x = 485,075,910,740,943 - Step 5: Solve for x
x = 485,075,910,740,943/26,186,321.60 - Step 6: Final answer
x = 18,524,018.69
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1.5x scale
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.