Finding the Fourth Proportional to 26,148,232.08, 39,228,645.60 and 8,197,336.08
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Solution
The fourth proportional to 26,148,232.08, 39,228,645.60 and 8,197,336.08 is: 12,297,978.35
Step by Step Solution
- Step 1: Write the proportion equation
26,148,232.08 : 39,228,645.60 = 8,197,336.08 : x - Step 2: Convert to fraction form
26,148,232.08/39,228,645.60 = 8,197,336.08/x - Step 3: Cross multiply
26,148,232.08x = 39,228,645.60 × 8,197,336.08 - Step 4: Simplify right side
26,148,232.08x = 321,570,391,946,413.25 - Step 5: Solve for x
x = 321,570,391,946,413.25/26,148,232.08 - Step 6: Final answer
x = 12,297,978.35
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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.