Finding the Fourth Proportional to 14,554,564.80, 21,813,476.40 and 7,368,082.80
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Solution
The fourth proportional to 14,554,564.80, 21,813,476.40 and 7,368,082.80 is: 11,042,824.19
Step by Step Solution
- Step 1: Write the proportion equation
14,554,564.80 : 21,813,476.40 = 7,368,082.80 : x - Step 2: Convert to fraction form
14,554,564.80/21,813,476.40 = 7,368,082.80/x - Step 3: Cross multiply
14,554,564.80x = 21,813,476.40 × 7,368,082.80 - Step 4: Simplify right side
14,554,564.80x = 160,723,500,271,045.91 - Step 5: Solve for x
x = 160,723,500,271,045.91/14,554,564.80 - Step 6: Final answer
x = 11,042,824.19
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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.