Finding the Fourth Proportional to 21,995,588.24, 32,954,346.84 and 9,187,907.12
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Solution
The fourth proportional to 21,995,588.24, 32,954,346.84 and 9,187,907.12 is: 13,765,554.92
Step by Step Solution
- Step 1: Write the proportion equation
21,995,588.24 : 32,954,346.84 = 9,187,907.12 : x - Step 2: Convert to fraction form
21,995,588.24/32,954,346.84 = 9,187,907.12/x - Step 3: Cross multiply
21,995,588.24x = 32,954,346.84 × 9,187,907.12 - Step 4: Simplify right side
21,995,588.24x = 302,781,477,966,185.50 - Step 5: Solve for x
x = 302,781,477,966,185.50/21,995,588.24 - Step 6: Final answer
x = 13,765,554.92
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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.