Finding the Fourth Proportional to 21,597,368, 29,804,989.92 and 11,940,198.08
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Solution
The fourth proportional to 21,597,368, 29,804,989.92 and 11,940,198.08 is: 16,477,817.27
Step by Step Solution
- Step 1: Write the proportion equation
21,597,368 : 29,804,989.92 = 11,940,198.08 : x - Step 2: Convert to fraction form
21,597,368/29,804,989.92 = 11,940,198.08/x - Step 3: Cross multiply
21,597,368x = 29,804,989.92 × 11,940,198.08 - Step 4: Simplify right side
21,597,368x = 355,877,483,417,203.38 - Step 5: Solve for x
x = 355,877,483,417,203.38/21,597,368 - Step 6: Final answer
x = 16,477,817.27
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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.