Finding the Fourth Proportional to 20,804,529.65, 31,206,891.68 and 7,341,357.65
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Solution
The fourth proportional to 20,804,529.65, 31,206,891.68 and 7,341,357.65 is: 11,012,070.78
Step by Step Solution
- Step 1: Write the proportion equation
20,804,529.65 : 31,206,891.68 = 7,341,357.65 : x - Step 2: Convert to fraction form
20,804,529.65/31,206,891.68 = 7,341,357.65/x - Step 3: Cross multiply
20,804,529.65x = 31,206,891.68 × 7,341,357.65 - Step 4: Simplify right side
20,804,529.65x = 229,100,952,967,689.38 - Step 5: Solve for x
x = 229,100,952,967,689.38/20,804,529.65 - Step 6: Final answer
x = 11,012,070.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.