Finding the Fourth Proportional to 10,390,634.44, 14,339,518.70 and 5,806,955.81
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Solution
The fourth proportional to 10,390,634.44, 14,339,518.70 and 5,806,955.81 is: 8,013,846.69
Step by Step Solution
- Step 1: Write the proportion equation
10,390,634.44 : 14,339,518.70 = 5,806,955.81 : x - Step 2: Convert to fraction form
10,390,634.44/14,339,518.70 = 5,806,955.81/x - Step 3: Cross multiply
10,390,634.44x = 14,339,518.70 × 5,806,955.81 - Step 4: Simplify right side
10,390,634.44x = 83,268,951,434,382.67 - Step 5: Solve for x
x = 83,268,951,434,382.67/10,390,634.44 - Step 6: Final answer
x = 8,013,846.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.