Finding the Fourth Proportional to 26,804,745.20, 40,207,117.80 and 7,635,252.80
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Solution
The fourth proportional to 26,804,745.20, 40,207,117.80 and 7,635,252.80 is: 11,452,879.20
Step by Step Solution
- Step 1: Write the proportion equation
26,804,745.20 : 40,207,117.80 = 7,635,252.80 : x - Step 2: Convert to fraction form
26,804,745.20/40,207,117.80 = 7,635,252.80/x - Step 3: Cross multiply
26,804,745.20x = 40,207,117.80 × 7,635,252.80 - Step 4: Simplify right side
26,804,745.20x = 306,991,508,762,379.81 - Step 5: Solve for x
x = 306,991,508,762,379.81/26,804,745.20 - Step 6: Final answer
x = 11,452,879.20
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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.