Finding the Fourth Proportional to 12,746,302.09, 19,125,103.79 and 6,679,591.43
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Solution
The fourth proportional to 12,746,302.09, 19,125,103.79 and 6,679,591.43 is: 10,022,348.32
Step by Step Solution
- Step 1: Write the proportion equation
12,746,302.09 : 19,125,103.79 = 6,679,591.43 : x - Step 2: Convert to fraction form
12,746,302.09/19,125,103.79 = 6,679,591.43/x - Step 3: Cross multiply
12,746,302.09x = 19,125,103.79 × 6,679,591.43 - Step 4: Simplify right side
12,746,302.09x = 127,747,879,294,617.98 - Step 5: Solve for x
x = 127,747,879,294,617.98/12,746,302.09 - Step 6: Final answer
x = 10,022,348.32
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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.