Finding the Fourth Proportional to 12,884,286.15, 17,779,257.99 and 7,585,139.97
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Solution
The fourth proportional to 12,884,286.15, 17,779,257.99 and 7,585,139.97 is: 10,466,870.95
Step by Step Solution
- Step 1: Write the proportion equation
12,884,286.15 : 17,779,257.99 = 7,585,139.97 : x - Step 2: Convert to fraction form
12,884,286.15/17,779,257.99 = 7,585,139.97/x - Step 3: Cross multiply
12,884,286.15x = 17,779,257.99 × 7,585,139.97 - Step 4: Simplify right side
12,884,286.15x = 134,858,160,416,890.84 - Step 5: Solve for x
x = 134,858,160,416,890.84/12,884,286.15 - Step 6: Final answer
x = 10,466,870.95
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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.