Finding the Fourth Proportional to 10,718,511.40, 16,082,432.70 and 5,399,727.40
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Solution
The fourth proportional to 10,718,511.40, 16,082,432.70 and 5,399,727.40 is: 8,101,941.52
Step by Step Solution
- Step 1: Write the proportion equation
10,718,511.40 : 16,082,432.70 = 5,399,727.40 : x - Step 2: Convert to fraction form
10,718,511.40/16,082,432.70 = 5,399,727.40/x - Step 3: Cross multiply
10,718,511.40x = 16,082,432.70 × 5,399,727.40 - Step 4: Simplify right side
10,718,511.40x = 86,840,752,508,845.98 - Step 5: Solve for x
x = 86,840,752,508,845.98/10,718,511.40 - Step 6: Final answer
x = 8,101,941.52
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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.