Finding the Fourth Proportional to 8,009,354.62, 11,052,909.73 and 4,338,271.19
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Solution
The fourth proportional to 8,009,354.62, 11,052,909.73 and 4,338,271.19 is: 5,986,814.43
Step by Step Solution
- Step 1: Write the proportion equation
8,009,354.62 : 11,052,909.73 = 4,338,271.19 : x - Step 2: Convert to fraction form
8,009,354.62/11,052,909.73 = 4,338,271.19/x - Step 3: Cross multiply
8,009,354.62x = 11,052,909.73 × 4,338,271.19 - Step 4: Simplify right side
8,009,354.62x = 47,950,519,847,329.69 - Step 5: Solve for x
x = 47,950,519,847,329.69/8,009,354.62 - Step 6: Final answer
x = 5,986,814.43
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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.