Finding the Fourth Proportional to 18,217,557.99, 27,331,122.74 and 6,547,107.56
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Solution
The fourth proportional to 18,217,557.99, 27,331,122.74 and 6,547,107.56 is: 9,822,381.26
Step by Step Solution
- Step 1: Write the proportion equation
18,217,557.99 : 27,331,122.74 = 6,547,107.56 : x - Step 2: Convert to fraction form
18,217,557.99/27,331,122.74 = 6,547,107.56/x - Step 3: Cross multiply
18,217,557.99x = 27,331,122.74 × 6,547,107.56 - Step 4: Simplify right side
18,217,557.99x = 178,939,800,144,950.75 - Step 5: Solve for x
x = 178,939,800,144,950.75/18,217,557.99 - Step 6: Final answer
x = 9,822,381.26
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1.5x scale
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.