Finding the Fourth Proportional to 8,975,477.80, 13,462,871.10 and 2,991,845.80
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Solution
The fourth proportional to 8,975,477.80, 13,462,871.10 and 2,991,845.80 is: 4,487,653.50
Step by Step Solution
- Step 1: Write the proportion equation
8,975,477.80 : 13,462,871.10 = 2,991,845.80 : x - Step 2: Convert to fraction form
8,975,477.80/13,462,871.10 = 2,991,845.80/x - Step 3: Cross multiply
8,975,477.80x = 13,462,871.10 × 2,991,845.80 - Step 4: Simplify right side
8,975,477.80x = 40,278,834,356,476.38 - Step 5: Solve for x
x = 40,278,834,356,476.38/8,975,477.80 - Step 6: Final answer
x = 4,487,653.50
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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.