Finding the Fourth Proportional to 8,811,720.30, 13,214,587.09 and 3,053,109.95
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Solution
The fourth proportional to 8,811,720.30, 13,214,587.09 and 3,053,109.95 is: 4,578,627.78
Step by Step Solution
- Step 1: Write the proportion equation
8,811,720.30 : 13,214,587.09 = 3,053,109.95 : x - Step 2: Convert to fraction form
8,811,720.30/13,214,587.09 = 3,053,109.95/x - Step 3: Cross multiply
8,811,720.30x = 13,214,587.09 × 3,053,109.95 - Step 4: Simplify right side
8,811,720.30x = 40,345,587,329,620.55 - Step 5: Solve for x
x = 40,345,587,329,620.55/8,811,720.30 - Step 6: Final answer
x = 4,578,627.78
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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.