Finding the Fourth Proportional to 26,213,121.54, 39,319,648.29 and 7,043,879.07
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Solution
The fourth proportional to 26,213,121.54, 39,319,648.29 and 7,043,879.07 is: 10,565,809.46
Step by Step Solution
- Step 1: Write the proportion equation
26,213,121.54 : 39,319,648.29 = 7,043,879.07 : x - Step 2: Convert to fraction form
26,213,121.54/39,319,648.29 = 7,043,879.07/x - Step 3: Cross multiply
26,213,121.54x = 39,319,648.29 × 7,043,879.07 - Step 4: Simplify right side
26,213,121.54x = 276,962,847,629,692.28 - Step 5: Solve for x
x = 276,962,847,629,692.28/26,213,121.54 - Step 6: Final answer
x = 10,565,809.46
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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.