Finding the Fourth Proportional to 11,119,357.16, 16,689,821.30 and 5,366,139.74
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Solution
The fourth proportional to 11,119,357.16, 16,689,821.30 and 5,366,139.74 is: 8,054,414.66
Step by Step Solution
- Step 1: Write the proportion equation
11,119,357.16 : 16,689,821.30 = 5,366,139.74 : x - Step 2: Convert to fraction form
11,119,357.16/16,689,821.30 = 5,366,139.74/x - Step 3: Cross multiply
11,119,357.16x = 16,689,821.30 × 5,366,139.74 - Step 4: Simplify right side
11,119,357.16x = 89,559,913,331,428.47 - Step 5: Solve for x
x = 89,559,913,331,428.47/11,119,357.16 - Step 6: Final answer
x = 8,054,414.66
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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.