Finding the Fourth Proportional to 16,642,216.70, 24,963,325.05 and 8,128,015.10
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Solution
The fourth proportional to 16,642,216.70, 24,963,325.05 and 8,128,015.10 is: 12,192,022.65
Step by Step Solution
- Step 1: Write the proportion equation
16,642,216.70 : 24,963,325.05 = 8,128,015.10 : x - Step 2: Convert to fraction form
16,642,216.70/24,963,325.05 = 8,128,015.10/x - Step 3: Cross multiply
16,642,216.70x = 24,963,325.05 × 8,128,015.10 - Step 4: Simplify right side
16,642,216.70x = 202,902,282,952,608.25 - Step 5: Solve for x
x = 202,902,282,952,608.25/16,642,216.70 - Step 6: Final answer
x = 12,192,022.65
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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.