Finding the Fourth Proportional to 10,916,276.70, 16,372,118.70 and 5,519,854.20
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Solution
The fourth proportional to 10,916,276.70, 16,372,118.70 and 5,519,854.20 is: 8,278,620.14
Step by Step Solution
- Step 1: Write the proportion equation
10,916,276.70 : 16,372,118.70 = 5,519,854.20 : x - Step 2: Convert to fraction form
10,916,276.70/16,372,118.70 = 5,519,854.20/x - Step 3: Cross multiply
10,916,276.70x = 16,372,118.70 × 5,519,854.20 - Step 4: Simplify right side
10,916,276.70x = 90,371,708,169,093.53 - Step 5: Solve for x
x = 90,371,708,169,093.53/10,916,276.70 - Step 6: Final answer
x = 8,278,620.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.