Finding the Fourth Proportional to 10,936,228.80, 16,372,850.40 and 6,684,700.80
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Solution
The fourth proportional to 10,936,228.80, 16,372,850.40 and 6,684,700.80 is: 10,007,801.42
Step by Step Solution
- Step 1: Write the proportion equation
10,936,228.80 : 16,372,850.40 = 6,684,700.80 : x - Step 2: Convert to fraction form
10,936,228.80/16,372,850.40 = 6,684,700.80/x - Step 3: Cross multiply
10,936,228.80x = 16,372,850.40 × 6,684,700.80 - Step 4: Simplify right side
10,936,228.80x = 109,447,606,167,160.31 - Step 5: Solve for x
x = 109,447,606,167,160.31/10,936,228.80 - Step 6: Final answer
x = 10,007,801.42
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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.