Finding the Fourth Proportional to 11,840,271.21, 16,339,574.07 and 6,407,763.21
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Solution
The fourth proportional to 11,840,271.21, 16,339,574.07 and 6,407,763.21 is: 8,842,713.12
Step by Step Solution
- Step 1: Write the proportion equation
11,840,271.21 : 16,339,574.07 = 6,407,763.21 : x - Step 2: Convert to fraction form
11,840,271.21/16,339,574.07 = 6,407,763.21/x - Step 3: Cross multiply
11,840,271.21x = 16,339,574.07 × 6,407,763.21 - Step 4: Simplify right side
11,840,271.21x = 104,700,121,592,815.97 - Step 5: Solve for x
x = 104,700,121,592,815.97/11,840,271.21 - Step 6: Final answer
x = 8,842,713.12
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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.