Finding the Fourth Proportional to 11,802,602.57, 16,289,143.67 and 6,646,972.01
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Solution
The fourth proportional to 11,802,602.57, 16,289,143.67 and 6,646,972.01 is: 9,173,695.49
Step by Step Solution
- Step 1: Write the proportion equation
11,802,602.57 : 16,289,143.67 = 6,646,972.01 : x - Step 2: Convert to fraction form
11,802,602.57/16,289,143.67 = 6,646,972.01/x - Step 3: Cross multiply
11,802,602.57x = 16,289,143.67 × 6,646,972.01 - Step 4: Simplify right side
11,802,602.57x = 108,273,481,976,530.38 - Step 5: Solve for x
x = 108,273,481,976,530.38/11,802,602.57 - Step 6: Final answer
x = 9,173,695.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.