Finding the Fourth Proportional to 11,298,997.80, 15,592,551.84 and 6,405,143.04
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Solution
The fourth proportional to 11,298,997.80, 15,592,551.84 and 6,405,143.04 is: 8,839,060.48
Step by Step Solution
- Step 1: Write the proportion equation
11,298,997.80 : 15,592,551.84 = 6,405,143.04 : x - Step 2: Convert to fraction form
11,298,997.80/15,592,551.84 = 6,405,143.04/x - Step 3: Cross multiply
11,298,997.80x = 15,592,551.84 × 6,405,143.04 - Step 4: Simplify right side
11,298,997.80x = 99,872,524,893,815.19 - Step 5: Solve for x
x = 99,872,524,893,815.19/11,298,997.80 - Step 6: Final answer
x = 8,839,060.48
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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.