Finding the Fourth Proportional to 11,916,710.65, 17,861,069.13 and 5,513,437.09
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Solution
The fourth proportional to 11,916,710.65, 17,861,069.13 and 5,513,437.09 is: 8,263,679.79
Step by Step Solution
- Step 1: Write the proportion equation
11,916,710.65 : 17,861,069.13 = 5,513,437.09 : x - Step 2: Convert to fraction form
11,916,710.65/17,861,069.13 = 5,513,437.09/x - Step 3: Cross multiply
11,916,710.65x = 17,861,069.13 × 5,513,437.09 - Step 4: Simplify right side
11,916,710.65x = 98,475,881,008,396.02 - Step 5: Solve for x
x = 98,475,881,008,396.02/11,916,710.65 - Step 6: Final answer
x = 8,263,679.79
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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.