Finding the Fourth Proportional to 19,585,469.80, 29,378,204.70 and 14,807,895.40
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Solution
The fourth proportional to 19,585,469.80, 29,378,204.70 and 14,807,895.40 is: 22,211,843.10
Step by Step Solution
- Step 1: Write the proportion equation
19,585,469.80 : 29,378,204.70 = 14,807,895.40 : x - Step 2: Convert to fraction form
19,585,469.80/29,378,204.70 = 14,807,895.40/x - Step 3: Cross multiply
19,585,469.80x = 29,378,204.70 × 14,807,895.40 - Step 4: Simplify right side
19,585,469.80x = 435,029,382,237,388.38 - Step 5: Solve for x
x = 435,029,382,237,388.38/19,585,469.80 - Step 6: Final answer
x = 22,211,843.10
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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.