Finding the Fourth Proportional to 8,857,703.21, 13,286,554.99 and 2,126,117.21
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Solution
The fourth proportional to 8,857,703.21, 13,286,554.99 and 2,126,117.21 is: 3,189,175.86
Step by Step Solution
- Step 1: Write the proportion equation
8,857,703.21 : 13,286,554.99 = 2,126,117.21 : x - Step 2: Convert to fraction form
8,857,703.21/13,286,554.99 = 2,126,117.21/x - Step 3: Cross multiply
8,857,703.21x = 13,286,554.99 × 2,126,117.21 - Step 4: Simplify right side
8,857,703.21x = 28,248,773,240,798.59 - Step 5: Solve for x
x = 28,248,773,240,798.59/8,857,703.21 - Step 6: Final answer
x = 3,189,175.86
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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.