Finding the Fourth Proportional to 28,247,810.44, 42,353,480.94 and 12,084,305.80
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Solution
The fourth proportional to 28,247,810.44, 42,353,480.94 and 12,084,305.80 is: 18,118,657.96
Step by Step Solution
- Step 1: Write the proportion equation
28,247,810.44 : 42,353,480.94 = 12,084,305.80 : x - Step 2: Convert to fraction form
28,247,810.44/42,353,480.94 = 12,084,305.80/x - Step 3: Cross multiply
28,247,810.44x = 42,353,480.94 × 12,084,305.80 - Step 4: Simplify right side
28,247,810.44x = 511,812,415,373,431.44 - Step 5: Solve for x
x = 511,812,415,373,431.44/28,247,810.44 - Step 6: Final answer
x = 18,118,657.96
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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.