Finding the Fourth Proportional to 39,702,942.70, 59,554,414.05 and 19,547,550.70
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Solution
The fourth proportional to 39,702,942.70, 59,554,414.05 and 19,547,550.70 is: 29,321,326.05
Step by Step Solution
- Step 1: Write the proportion equation
39,702,942.70 : 59,554,414.05 = 19,547,550.70 : x - Step 2: Convert to fraction form
39,702,942.70/59,554,414.05 = 19,547,550.70/x - Step 3: Cross multiply
39,702,942.70x = 59,554,414.05 × 19,547,550.70 - Step 4: Simplify right side
39,702,942.70x = 1,164,142,928,051,167.25 - Step 5: Solve for x
x = 1,164,142,928,051,167.25/39,702,942.70 - Step 6: Final answer
x = 29,321,326.05
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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.