Finding the Fourth Proportional to 11,072,776.40, 16,593,612.60 and 8,802,184.40
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Solution
The fourth proportional to 11,072,776.40, 16,593,612.60 and 8,802,184.40 is: 13,190,913.71
Step by Step Solution
- Step 1: Write the proportion equation
11,072,776.40 : 16,593,612.60 = 8,802,184.40 : x - Step 2: Convert to fraction form
11,072,776.40/16,593,612.60 = 8,802,184.40/x - Step 3: Cross multiply
11,072,776.40x = 16,593,612.60 × 8,802,184.40 - Step 4: Simplify right side
11,072,776.40x = 146,060,037,967,363.44 - Step 5: Solve for x
x = 146,060,037,967,363.44/11,072,776.40 - Step 6: Final answer
x = 13,190,913.71
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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.