Finding the Fourth Proportional to 10,251,930.81, 15,377,911.14 and 4,186,662.57
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Solution
The fourth proportional to 10,251,930.81, 15,377,911.14 and 4,186,662.57 is: 6,279,999.95
Step by Step Solution
- Step 1: Write the proportion equation
10,251,930.81 : 15,377,911.14 = 4,186,662.57 : x - Step 2: Convert to fraction form
10,251,930.81/15,377,911.14 = 4,186,662.57/x - Step 3: Cross multiply
10,251,930.81x = 15,377,911.14 × 4,186,662.57 - Step 4: Simplify right side
10,251,930.81x = 64,382,124,974,624.03 - Step 5: Solve for x
x = 64,382,124,974,624.03/10,251,930.81 - Step 6: Final answer
x = 6,279,999.95
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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.