Finding the Fourth Proportional to 10,390,653.55, 14,339,544.74 and 5,806,974.79
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Solution
The fourth proportional to 10,390,653.55, 14,339,544.74 and 5,806,974.79 is: 8,013,872.70
Step by Step Solution
- Step 1: Write the proportion equation
10,390,653.55 : 14,339,544.74 = 5,806,974.79 : x - Step 2: Convert to fraction form
10,390,653.55/14,339,544.74 = 5,806,974.79/x - Step 3: Cross multiply
10,390,653.55x = 14,339,544.74 × 5,806,974.79 - Step 4: Simplify right side
10,390,653.55x = 83,269,374,805,257.11 - Step 5: Solve for x
x = 83,269,374,805,257.11/10,390,653.55 - Step 6: Final answer
x = 8,013,872.70
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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.