Finding the Fourth Proportional to 21,650,992.08, 29,878,121.68 and 11,727,687.69
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Solution
The fourth proportional to 21,650,992.08, 29,878,121.68 and 11,727,687.69 is: 16,184,075.00
Step by Step Solution
- Step 1: Write the proportion equation
21,650,992.08 : 29,878,121.68 = 11,727,687.69 : x - Step 2: Convert to fraction form
21,650,992.08/29,878,121.68 = 11,727,687.69/x - Step 3: Cross multiply
21,650,992.08x = 29,878,121.68 × 11,727,687.69 - Step 4: Simplify right side
21,650,992.08x = 350,401,279,677,467.50 - Step 5: Solve for x
x = 350,401,279,677,467.50/21,650,992.08 - Step 6: Final answer
x = 16,184,075.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.