Finding the Fourth Proportional to 26,270,087.20, 39,405,130.80 and 24,478,496.80
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Solution
The fourth proportional to 26,270,087.20, 39,405,130.80 and 24,478,496.80 is: 36,717,745.20
Step by Step Solution
- Step 1: Write the proportion equation
26,270,087.20 : 39,405,130.80 = 24,478,496.80 : x - Step 2: Convert to fraction form
26,270,087.20/39,405,130.80 = 24,478,496.80/x - Step 3: Cross multiply
26,270,087.20x = 39,405,130.80 × 24,478,496.80 - Step 4: Simplify right side
26,270,087.20x = 964,578,368,191,381.38 - Step 5: Solve for x
x = 964,578,368,191,381.38/26,270,087.20 - Step 6: Final answer
x = 36,717,745.20
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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.