Finding the Fourth Proportional to 12,879,982.88, 19,319,875.84 and 3,295,346.03
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Solution
The fourth proportional to 12,879,982.88, 19,319,875.84 and 3,295,346.03 is: 4,942,993.85
Step by Step Solution
- Step 1: Write the proportion equation
12,879,982.88 : 19,319,875.84 = 3,295,346.03 : x - Step 2: Convert to fraction form
12,879,982.88/19,319,875.84 = 3,295,346.03/x - Step 3: Cross multiply
12,879,982.88x = 19,319,875.84 × 3,295,346.03 - Step 4: Simplify right side
12,879,982.88x = 63,665,676,219,544.23 - Step 5: Solve for x
x = 63,665,676,219,544.23/12,879,982.88 - Step 6: Final answer
x = 4,942,993.85
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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.